25344563 has 2 divisors, whose sum is σ = 25344564. Its totient is φ = 25344562.

The previous prime is 25344541. The next prime is 25344581. The reversal of 25344563 is 36544352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25344563 - 2⁸ = 25344307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25344523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12672281 + 12672282.

It is an arithmetic number, because the mean of its divisors is an integer number (12672282).

Almost surely, 2^25344563 is an apocalyptic number.

25344563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25344563 is an equidigital number, since it uses as much as digits as its factorization.

25344563 is an evil number, because the sum of its binary digits is even.

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

The square root of 25344563 is about 5034.3383875143. The cubic root of 25344563 is about 293.7389935215.

The spelling of 25344563 in words is "twenty-five million, three hundred forty-four thousand, five hundred sixty-three".