325690 has 8 divisors (see below), whose sum is σ = 586260. Its totient is φ = 130272.

The previous prime is 325681. The next prime is 325691. The reversal of 325690 is 96523.

It can be written as a sum of positive squares in 2 ways, for example, as 305809 + 19881 = 553^2 + 141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×325690² = 212147952200, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (325691) 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, 16275 + ... + 16294.

2³²⁵⁶⁹⁰ is an apocalyptic number.

325690 is a deficient number, since it is larger than the sum of its proper divisors (260570).

325690 is a wasteful number, since it uses less digits than its factorization.

325690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32576.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 325690 is about 570.6925617178. The cubic root of 325690 is about 68.8020652436.

The spelling of 325690 in words is "three hundred twenty-five thousand, six hundred ninety".