204360631 has 2 divisors, whose sum is σ = 204360632. Its totient is φ = 204360630.

The previous prime is 204360623. The next prime is 204360659. The reversal of 204360631 is 136063402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204360631 - 2³ = 204360623 is a prime.

It is a super-2 number, since 2×204360631² = 83526535005436322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204360596 and 204360605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204360661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102180315 + 102180316.

It is an arithmetic number, because the mean of its divisors is an integer number (102180316).

Almost surely, 2^204360631 is an apocalyptic number.

204360631 is a deficient number, since it is larger than the sum of its proper divisors (1).

204360631 is an equidigital number, since it uses as much as digits as its factorization.

204360631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 204360631 is about 14295.4758927431. The cubic root of 204360631 is about 589.0232147451.

The spelling of 204360631 in words is "two hundred four million, three hundred sixty thousand, six hundred thirty-one".