204245051 has 2 divisors, whose sum is σ = 204245052. Its totient is φ = 204245050.

The previous prime is 204245039. The next prime is 204245077. The reversal of 204245051 is 150542402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204245051 - 2²⁶ = 137136187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204245351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102122525 + 102122526.

It is an arithmetic number, because the mean of its divisors is an integer number (102122526).

Almost surely, 2^204245051 is an apocalyptic number.

204245051 is a deficient number, since it is larger than the sum of its proper divisors (1).

204245051 is an equidigital number, since it uses as much as digits as its factorization.

204245051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 204245051 is about 14291.4327833146. The cubic root of 204245051 is about 588.9121494168.

Adding to 204245051 its reverse (150542402), we get a palindrome (354787453).

The spelling of 204245051 in words is "two hundred four million, two hundred forty-five thousand, fifty-one".