254430563 has 2 divisors, whose sum is σ = 254430564. Its totient is φ = 254430562.

The previous prime is 254430541. The next prime is 254430569. The reversal of 254430563 is 365034452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254430563 - 2⁶ = 254430499 is a prime.

It is a super-2 number, since 2×254430563² = 129469822776993938, which contains 22 as substring.

It is a Chen prime.

It is equal to p_13908326 and since 254430563 and 13908326 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (254430569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127215281 + 127215282.

It is an arithmetic number, because the mean of its divisors is an integer number (127215282).

Almost surely, 2^254430563 is an apocalyptic number.

254430563 is a deficient number, since it is larger than the sum of its proper divisors (1).

254430563 is an equidigital number, since it uses as much as digits as its factorization.

254430563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 254430563 is about 15950.8796936094. The cubic root of 254430563 is about 633.6601944985.

The spelling of 254430563 in words is "two hundred fifty-four million, four hundred thirty thousand, five hundred sixty-three".