204575290 has 12 divisors (see below), whose sum is σ = 368316954. Its totient is φ = 81812024.

The previous prime is 204575279. The next prime is 204575359. The reversal of 204575290 is 92575402.

It can be written as a sum of positive squares in only one way, i.e., 184117761 + 20457529 = 13569^2 + 4523^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42969 + ... + 47491.

Almost surely, 2^204575290 is an apocalyptic number.

204575290 is a deficient number, since it is larger than the sum of its proper divisors (163741664).

204575290 is an frugal number, since it uses more digits than its factorization.

204575290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 204575290 is about 14302.9818569416. The cubic root of 204575290 is about 589.2293778878.

The spelling of 204575290 in words is "two hundred four million, five hundred seventy-five thousand, two hundred ninety".