254204561 has 12 divisors (see below), whose sum is σ = 276941952. Its totient is φ = 233219376.

The previous prime is 254204549. The next prime is 254204593. The reversal of 254204561 is 165402452.

It is not a de Polignac number, because 254204561 - 2⁶ = 254204497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254204521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23720 + ... + 32726.

It is an arithmetic number, because the mean of its divisors is an integer number (23078496).

Almost surely, 2^254204561 is an apocalyptic number.

It is an amenable number.

254204561 is a deficient number, since it is larger than the sum of its proper divisors (22737391).

254204561 is a wasteful number, since it uses less digits than its factorization.

254204561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200 (or 9187 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 254204561 is about 15943.7938082503. The cubic root of 254204561 is about 633.4725193323.

The spelling of 254204561 in words is "two hundred fifty-four million, two hundred four thousand, five hundred sixty-one".