25998976 has 16 divisors (see below), whose sum is σ = 51795090. Its totient is φ = 12999424.

The previous prime is 25998971. The next prime is 25998983. The reversal of 25998976 is 67989952.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 4096576 = 4680^2 + 2024^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (25998971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101431 + ... + 101686.

Almost surely, 2^25998976 is an apocalyptic number.

It is an amenable number.

25998976 is a deficient number, since it is larger than the sum of its proper divisors (25796114).

25998976 is an equidigital number, since it uses as much as digits as its factorization.

25998976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203131 (or 203119 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The square root of 25998976 is about 5098.9191011429. The cubic root of 25998976 is about 296.2457175641.

It can be divided in two parts, 259 and 98976, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 25998976 in words is "twenty-five million, nine hundred ninety-eight thousand, nine hundred seventy-six".