204169051 has 2 divisors, whose sum is σ = 204169052. Its totient is φ = 204169050.

The previous prime is 204169039. The next prime is 204169057. The reversal of 204169051 is 150961402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204169051 is a prime.

It is not a weakly prime, because it can be changed into another prime (204169057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102084525 + 102084526.

It is an arithmetic number, because the mean of its divisors is an integer number (102084526).

Almost surely, 2^204169051 is an apocalyptic number.

204169051 is a deficient number, since it is larger than the sum of its proper divisors (1).

204169051 is an equidigital number, since it uses as much as digits as its factorization.

204169051 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 28.

The square root of 204169051 is about 14288.7736002779. The cubic root of 204169051 is about 588.8390952176.

The spelling of 204169051 in words is "two hundred four million, one hundred sixty-nine thousand, fifty-one".