325871257 has 4 divisors (see below), whose sum is σ = 332804736. Its totient is φ = 318937780.

The previous prime is 325871233. The next prime is 325871303. The reversal of 325871257 is 752178523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325871257 is a prime.

It is a super-2 number, since 2×325871257² = 212384152277520098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325871957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466669 + ... + 3466762.

It is an arithmetic number, because the mean of its divisors is an integer number (83201184).

Almost surely, 2^325871257 is an apocalyptic number.

It is an amenable number.

325871257 is a deficient number, since it is larger than the sum of its proper divisors (6933479).

325871257 is an equidigital number, since it uses as much as digits as its factorization.

325871257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933478.

The product of its digits is 117600, while the sum is 40.

The square root of 325871257 is about 18051.9045255618. The cubic root of 325871257 is about 688.1482640007.

The spelling of 325871257 in words is "three hundred twenty-five million, eight hundred seventy-one thousand, two hundred fifty-seven".