325820673 has 12 divisors (see below), whose sum is σ = 472585828. Its totient is φ = 216311040.

The previous prime is 325820669. The next prime is 325820701. The reversal of 325820673 is 376028523.

325820673 is a `hidden beast` number, since 3 + 2 + 582 + 0 + 6 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 100460529 + 225360144 = 10023^2 + 15012^2 .

It is not a de Polignac number, because 325820673 - 2² = 325820669 is a prime.

It is a super-2 number, since 2×325820673² = 212318221908345858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325821673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72940 + ... + 77277.

Almost surely, 2^325820673 is an apocalyptic number.

It is an amenable number.

325820673 is a deficient number, since it is larger than the sum of its proper divisors (146765155).

325820673 is a wasteful number, since it uses less digits than its factorization.

325820673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150464 (or 150461 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 325820673 is about 18050.5034001825. The cubic root of 325820673 is about 688.1126557737.

The spelling of 325820673 in words is "three hundred twenty-five million, eight hundred twenty thousand, six hundred seventy-three".