204056961 has 16 divisors (see below), whose sum is σ = 279849024. Its totient is φ = 132162624.

The previous prime is 204056953. The next prime is 204056969. The reversal of 204056961 is 169650402.

It is an interprime number because it is at equal distance from previous prime (204056953) and next prime (204056969).

It is not a de Polignac number, because 204056961 - 2³ = 204056953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204056969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123835 + ... + 125471.

It is an arithmetic number, because the mean of its divisors is an integer number (17490564).

Almost surely, 2^204056961 is an apocalyptic number.

It is an amenable number.

204056961 is a deficient number, since it is larger than the sum of its proper divisors (75792063).

204056961 is a wasteful number, since it uses less digits than its factorization.

204056961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 204056961 is about 14284.8507517580. The cubic root of 204056961 is about 588.7313167921.

The spelling of 204056961 in words is "two hundred four million, fifty-six thousand, nine hundred sixty-one".