25575163 has 2 divisors, whose sum is σ = 25575164. Its totient is φ = 25575162.

The previous prime is 25575127. The next prime is 25575181. The reversal of 25575163 is 36157552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25575163 - 2⁹ = 25574651 is a prime.

It is not a weakly prime, because it can be changed into another prime (25575113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12787581 + 12787582.

It is an arithmetic number, because the mean of its divisors is an integer number (12787582).

Almost surely, 2^25575163 is an apocalyptic number.

25575163 is a deficient number, since it is larger than the sum of its proper divisors (1).

25575163 is an equidigital number, since it uses as much as digits as its factorization.

25575163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 34.

The square root of 25575163 is about 5057.1892390932. The cubic root of 25575163 is about 294.6271762482.

The spelling of 25575163 in words is "twenty-five million, five hundred seventy-five thousand, one hundred sixty-three".