25966408 has 16 divisors (see below), whose sum is σ = 52432380. Its totient is φ = 11984448.

The previous prime is 25966399. The next prime is 25966417. The reversal of 25966408 is 80466952.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25966399) and next prime (25966417).

It can be written as a sum of positive squares in 2 ways, for example, as 25421764 + 544644 = 5042^2 + 738^2 .

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, 124735 + ... + 124942.

Almost surely, 2^25966408 is an apocalyptic number.

It is an amenable number.

25966408 is an abundant number, since it is smaller than the sum of its proper divisors (26465972).

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

25966408 is a wasteful number, since it uses less digits than its factorization.

25966408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249696 (or 249692 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 25966408 is about 5095.7244823479. The cubic root of 25966408 is about 296.1219670241.

The spelling of 25966408 in words is "twenty-five million, nine hundred sixty-six thousand, four hundred eight".