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13145325 = 352533307
BaseRepresentation
bin110010001001…
…010011101101
3220201211222220
4302021103231
511331122300
61145425553
7216506364
oct62112355
926654886
1013145325
117469306
12449b2b9
1329533cb
141a627db
151249da0
hexc894ed

13145325 has 24 divisors (see below), whose sum is σ = 22150368. Its totient is φ = 6876480.

The previous prime is 13145311. The next prime is 13145339. The reversal of 13145325 is 52354131.

13145325 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13145311) and next prime (13145339).

It is a de Polignac number, because none of the positive numbers 2k-13145325 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13145295 and 13145304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2322 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (922932).

Almost surely, 213145325 is an apocalyptic number.

13145325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13145325 is a deficient number, since it is larger than the sum of its proper divisors (9005043).

13145325 is a wasteful number, since it uses less digits than its factorization.

13145325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3368 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 13145325 is about 3625.6482179053. The cubic root of 13145325 is about 236.0063976529.

Adding to 13145325 its reverse (52354131), we get a palindrome (65499456).

The spelling of 13145325 in words is "thirteen million, one hundred forty-five thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 53 75 159 265 795 1325 3307 3975 9921 16535 49605 82675 175271 248025 525813 876355 2629065 4381775 13145325