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61325001 = 32171632459
BaseRepresentation
bin1110100111101…
…1111011001001
311021101122002100
43221323323021
5111144400001
610030224013
71343153043
oct351737311
9137348070
1061325001
1131686421
1218655009
13c9220aa
148204a93
1555b5586
hex3a7bec9

61325001 has 24 divisors (see below), whose sum is σ = 94404960. Its totient is φ = 38226816.

The previous prime is 61324999. The next prime is 61325023. The reversal of 61325001 is 10052316.

61325001 is a `hidden beast` number, since 613 + 2 + 50 + 0 + 1 = 666.

It is not a de Polignac number, because 61325001 - 21 = 61324999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61325071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23710 + ... + 26168.

It is an arithmetic number, because the mean of its divisors is an integer number (3933540).

Almost surely, 261325001 is an apocalyptic number.

It is an amenable number.

61325001 is a deficient number, since it is larger than the sum of its proper divisors (33079959).

61325001 is a wasteful number, since it uses less digits than its factorization.

61325001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 61325001 is about 7831.0280934243. The cubic root of 61325001 is about 394.3475872273.

Adding to 61325001 its reverse (10052316), we get a palindrome (71377317).

The spelling of 61325001 in words is "sixty-one million, three hundred twenty-five thousand, one".

Divisors: 1 3 9 17 51 153 163 489 1467 2459 2771 7377 8313 22131 24939 41803 125409 376227 400817 1202451 3607353 6813889 20441667 61325001