25906488 has 32 divisors (see below), whose sum is σ = 65736960. Its totient is φ = 8506080.

The previous prime is 25906477. The next prime is 25906513. The reversal of 25906488 is 88460952.

It is a super-2 number, since 2×25906488² = 1342292240988288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (2054280).

Almost surely, 2^25906488 is an apocalyptic number.

It is an amenable number.

25906488 is an abundant number, since it is smaller than the sum of its proper divisors (39830472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25906488 is a wasteful number, since it uses less digits than its factorization.

25906488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16187 (or 16183 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 25906488 is about 5089.8416478315. The cubic root of 25906488 is about 295.8940148924.

The spelling of 25906488 in words is "twenty-five million, nine hundred six thousand, four hundred eighty-eight".