325625537 has 2 divisors, whose sum is σ = 325625538. Its totient is φ = 325625536.

The previous prime is 325625527. The next prime is 325625549. The reversal of 325625537 is 735526523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325585936 + 39601 = 18044^2 + 199^2 .

It is a cyclic number.

It is not a de Polignac number, because 325625537 - 2⁶ = 325625473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325625537.

It is not a weakly prime, because it can be changed into another prime (325625507) 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, 162812768 + 162812769.

It is an arithmetic number, because the mean of its divisors is an integer number (162812769).

Almost surely, 2^325625537 is an apocalyptic number.

It is an amenable number.

325625537 is a deficient number, since it is larger than the sum of its proper divisors (1).

325625537 is an equidigital number, since it uses as much as digits as its factorization.

325625537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 38.

The square root of 325625537 is about 18045.0973120125. The cubic root of 325625537 is about 687.9752567100.

The spelling of 325625537 in words is "three hundred twenty-five million, six hundred twenty-five thousand, five hundred thirty-seven".