25879663 has 2 divisors, whose sum is σ = 25879664. Its totient is φ = 25879662.

The previous prime is 25879631. The next prime is 25879681. The reversal of 25879663 is 36697852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25879663 - 2⁵ = 25879631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25879963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12939831 + 12939832.

It is an arithmetic number, because the mean of its divisors is an integer number (12939832).

Almost surely, 2^25879663 is an apocalyptic number.

25879663 is a deficient number, since it is larger than the sum of its proper divisors (1).

25879663 is an equidigital number, since it uses as much as digits as its factorization.

25879663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 25879663 is about 5087.2058145902. The cubic root of 25879663 is about 295.7918513196.

The spelling of 25879663 in words is "twenty-five million, eight hundred seventy-nine thousand, six hundred sixty-three".