204253099 has 4 divisors (see below), whose sum is σ = 204396480. Its totient is φ = 204109720.

The previous prime is 204253081. The next prime is 204253109. The reversal of 204253099 is 990352402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204253099 - 2⁵ = 204253067 is a prime.

It is a super-2 number, since 2×204253099² = 83438656902207602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204253009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69532 + ... + 72409.

It is an arithmetic number, because the mean of its divisors is an integer number (51099120).

Almost surely, 2^204253099 is an apocalyptic number.

204253099 is a deficient number, since it is larger than the sum of its proper divisors (143381).

204253099 is a wasteful number, since it uses less digits than its factorization.

204253099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143380.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 204253099 is about 14291.7143478311. The cubic root of 204253099 is about 588.9198844108.

The spelling of 204253099 in words is "two hundred four million, two hundred fifty-three thousand, ninety-nine".