325535257 has 2 divisors, whose sum is σ = 325535258. Its totient is φ = 325535256.

The previous prime is 325535191. The next prime is 325535263. The reversal of 325535257 is 752535523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301925376 + 23609881 = 17376^2 + 4859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325535257 is a prime.

It is equal to p_17557705 and since 325535257 and 17557705 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (325535297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162767628 + 162767629.

It is an arithmetic number, because the mean of its divisors is an integer number (162767629).

Almost surely, 2^325535257 is an apocalyptic number.

It is an amenable number.

325535257 is a deficient number, since it is larger than the sum of its proper divisors (1).

325535257 is an equidigital number, since it uses as much as digits as its factorization.

325535257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157500, while the sum is 37.

The square root of 325535257 is about 18042.5956281240. The cubic root of 325535257 is about 687.9116702279.

The spelling of 325535257 in words is "three hundred twenty-five million, five hundred thirty-five thousand, two hundred fifty-seven".