25638883 has 2 divisors, whose sum is σ = 25638884. Its totient is φ = 25638882.

The previous prime is 25638857. The next prime is 25638889. The reversal of 25638883 is 38883652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25638883 is a prime.

It is not a weakly prime, because it can be changed into another prime (25638889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12819441 + 12819442.

It is an arithmetic number, because the mean of its divisors is an integer number (12819442).

Almost surely, 2^25638883 is an apocalyptic number.

25638883 is a deficient number, since it is larger than the sum of its proper divisors (1).

25638883 is an equidigital number, since it uses as much as digits as its factorization.

25638883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 25638883 is about 5063.4852621490. The cubic root of 25638883 is about 294.8716591974.

The spelling of 25638883 in words is "twenty-five million, six hundred thirty-eight thousand, eight hundred eighty-three".