325657 has 4 divisors (see below), whose sum is σ = 339840. Its totient is φ = 311476.

The previous prime is 325643. The next prime is 325667. The reversal of 325657 is 756523.

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-325657 is a prime.

It is a Duffinian number.

325657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (325607) 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, 7057 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (84960).

2³²⁵⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

325657 is a deficient number, since it is larger than the sum of its proper divisors (14183).

325657 is a wasteful number, since it uses less digits than its factorization.

325657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14182.

The product of its digits is 6300, while the sum is 28.

The square root of 325657 is about 570.6636487459. The cubic root of 325657 is about 68.7997414133.

The spelling of 325657 in words is "three hundred twenty-five thousand, six hundred fifty-seven".