325811672 has 16 divisors (see below), whose sum is σ = 615562200. Its totient is φ = 161661760.

The previous prime is 325811671. The next prime is 325811693. The reversal of 325811672 is 276118523.

It is a happy number.

It is a super-2 number, since 2×325811672² = 212306491222871168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325811671) 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, 154397 + ... + 156492.

Almost surely, 2^325811672 is an apocalyptic number.

It is an amenable number.

325811672 is a deficient number, since it is larger than the sum of its proper divisors (289750528).

325811672 is a wasteful number, since it uses less digits than its factorization.

325811672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311026 (or 311022 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 325811672 is about 18050.2540702340. The cubic root of 325811672 is about 688.1063192011.

The spelling of 325811672 in words is "three hundred twenty-five million, eight hundred eleven thousand, six hundred seventy-two".