604520631 has 64 divisors (see below), whose sum is σ = 1088640000. Its totient is φ = 326471040.

The previous prime is 604520611. The next prime is 604520641. The reversal of 604520631 is 136025406.

604520631 is a `hidden beast` number, since 6 + 0 + 4 + 5 + 20 + 631 = 666.

It is not a de Polignac number, because 604520631 - 2⁷ = 604520503 is a prime.

It is a super-2 number, since 2×604520631² = 730890386609276322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 604520595 and 604520604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604520611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109270 + ... + 114668.

It is an arithmetic number, because the mean of its divisors is an integer number (17010000).

Almost surely, 2^604520631 is an apocalyptic number.

604520631 is a deficient number, since it is larger than the sum of its proper divisors (484119369).

604520631 is a wasteful number, since it uses less digits than its factorization.

604520631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 604520631 is about 24587.0012608289. The cubic root of 604520631 is about 845.5456163650.

The spelling of 604520631 in words is "six hundred four million, five hundred twenty thousand, six hundred thirty-one".