204392051 has 2 divisors, whose sum is σ = 204392052. Its totient is φ = 204392050.

The previous prime is 204391991. The next prime is 204392117. The reversal of 204392051 is 150293402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204392051 - 2¹⁴ = 204375667 is a prime.

It is a super-2 number, since 2×204392051² = 83552221023973202, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204392051.

It is not a weakly prime, because it can be changed into another prime (204392351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102196025 + 102196026.

It is an arithmetic number, because the mean of its divisors is an integer number (102196026).

Almost surely, 2^204392051 is an apocalyptic number.

204392051 is a deficient number, since it is larger than the sum of its proper divisors (1).

204392051 is an equidigital number, since it uses as much as digits as its factorization.

204392051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 204392051 is about 14296.5747995805. The cubic root of 204392051 is about 589.0534002084.

The spelling of 204392051 in words is "two hundred four million, three hundred ninety-two thousand, fifty-one".