25420888 has 16 divisors (see below), whose sum is σ = 49736880. Its totient is φ = 12157728.

The previous prime is 25420877. The next prime is 25420931. The reversal of 25420888 is 88802452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68895 + ... + 69262.

It is an arithmetic number, because the mean of its divisors is an integer number (3108555).

Almost surely, 2^25420888 is an apocalyptic number.

It is an amenable number.

25420888 is a deficient number, since it is larger than the sum of its proper divisors (24315992).

25420888 is a wasteful number, since it uses less digits than its factorization.

25420888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138186 (or 138182 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 25420888 is about 5041.9131289621. The cubic root of 25420888 is about 294.0335624294.

The spelling of 25420888 in words is "twenty-five million, four hundred twenty thousand, eight hundred eighty-eight".