23525563 has 2 divisors, whose sum is σ = 23525564. Its totient is φ = 23525562.

The previous prime is 23525549. The next prime is 23525597. The reversal of 23525563 is 36552532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23525563 - 2⁵ = 23525531 is a prime.

It is a super-2 number, since 2×23525563² = 1106904228933938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23525533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11762781 + 11762782.

It is an arithmetic number, because the mean of its divisors is an integer number (11762782).

Almost surely, 2^23525563 is an apocalyptic number.

23525563 is a deficient number, since it is larger than the sum of its proper divisors (1).

23525563 is an equidigital number, since it uses as much as digits as its factorization.

23525563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 31.

The square root of 23525563 is about 4850.3157629169. The cubic root of 23525563 is about 286.5365374468.

The spelling of 23525563 in words is "twenty-three million, five hundred twenty-five thousand, five hundred sixty-three".