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13525453 is a prime number
BaseRepresentation
bin110011100110…
…000111001101
3221110011102201
4303212013031
511430303303
61201521501
7222651544
oct63460715
927404381
1013525453
1176a8967
124643291
132a57436
141b2115b
1512c281d
hexce61cd

13525453 has 2 divisors, whose sum is σ = 13525454. Its totient is φ = 13525452.

The previous prime is 13525411. The next prime is 13525471. The reversal of 13525453 is 35452531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11269449 + 2256004 = 3357^2 + 1502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13525453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13525493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762726 + 6762727.

It is an arithmetic number, because the mean of its divisors is an integer number (6762727).

Almost surely, 213525453 is an apocalyptic number.

It is an amenable number.

13525453 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525453 is an equidigital number, since it uses as much as digits as its factorization.

13525453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 28.

The square root of 13525453 is about 3677.6966976628. The cubic root of 13525453 is about 238.2597087315.

Adding to 13525453 its reverse (35452531), we get a palindrome (48977984).

The spelling of 13525453 in words is "thirteen million, five hundred twenty-five thousand, four hundred fifty-three".