204056959 has 4 divisors (see below), whose sum is σ = 209034000. Its totient is φ = 199079920.

The previous prime is 204056953. The next prime is 204056969. The reversal of 204056959 is 959650402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204056959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204056953) 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, 2488459 + ... + 2488540.

It is an arithmetic number, because the mean of its divisors is an integer number (52258500).

Almost surely, 2^204056959 is an apocalyptic number.

204056959 is a deficient number, since it is larger than the sum of its proper divisors (4977041).

204056959 is an equidigital number, since it uses as much as digits as its factorization.

204056959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977040.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 204056959 is about 14284.8506817537. The cubic root of 204056959 is about 588.7313148687.

The spelling of 204056959 in words is "two hundred four million, fifty-six thousand, nine hundred fifty-nine".