25536163 has 2 divisors, whose sum is σ = 25536164. Its totient is φ = 25536162.

The previous prime is 25536143. The next prime is 25536229. The reversal of 25536163 is 36163552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25536163 - 2⁵ = 25536131 is a prime.

It is not a weakly prime, because it can be changed into another prime (25536103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12768081 + 12768082.

It is an arithmetic number, because the mean of its divisors is an integer number (12768082).

Almost surely, 2^25536163 is an apocalyptic number.

25536163 is a deficient number, since it is larger than the sum of its proper divisors (1).

25536163 is an equidigital number, since it uses as much as digits as its factorization.

25536163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 25536163 is about 5053.3318711519. The cubic root of 25536163 is about 294.4773393994.

The spelling of 25536163 in words is "twenty-five million, five hundred thirty-six thousand, one hundred sixty-three".