204052531 has 16 divisors (see below), whose sum is σ = 212956128. Its totient is φ = 195379200.

The previous prime is 204052523. The next prime is 204052553. The reversal of 204052531 is 135250402.

It is a cyclic number.

It is not a de Polignac number, because 204052531 - 2³ = 204052523 is a prime.

It is a super-2 number, since 2×204052531² = 83274870815011922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204052231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846571 + ... + 846811.

It is an arithmetic number, because the mean of its divisors is an integer number (13309758).

Almost surely, 2^204052531 is an apocalyptic number.

204052531 is a deficient number, since it is larger than the sum of its proper divisors (8903597).

204052531 is a wasteful number, since it uses less digits than its factorization.

204052531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 204052531 is about 14284.6956915434. The cubic root of 204052531 is about 588.7270563827.

The spelling of 204052531 in words is "two hundred four million, fifty-two thousand, five hundred thirty-one".