25889896 has 8 divisors (see below), whose sum is σ = 48543570. Its totient is φ = 12944944.

The previous prime is 25889879. The next prime is 25889909. The reversal of 25889896 is 69898852.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 22500 = 5086^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618111 + ... + 1618126.

Almost surely, 2^25889896 is an apocalyptic number.

It is an amenable number.

25889896 is a deficient number, since it is larger than the sum of its proper divisors (22653674).

25889896 is a wasteful number, since it uses less digits than its factorization.

25889896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236243 (or 3236239 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 25889896 is about 5088.2114735927. The cubic root of 25889896 is about 295.8308322388.

The spelling of 25889896 in words is "twenty-five million, eight hundred eighty-nine thousand, eight hundred ninety-six".