25065988 has 6 divisors (see below), whose sum is σ = 43865486. Its totient is φ = 12532992.

The previous prime is 25065913. The next prime is 25065991. The reversal of 25065988 is 88956052.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 145924 = 4992^2 + 382^2 .

It is a super-2 number, since 2×25065988² = 1256607508832288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133245 + ... + 3133252.

Almost surely, 2^25065988 is an apocalyptic number.

It is an amenable number.

25065988 is a deficient number, since it is larger than the sum of its proper divisors (18799498).

25065988 is a wasteful number, since it uses less digits than its factorization.

25065988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266501 (or 6266499 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 25065988 is about 5006.5944513212. The cubic root of 25065988 is about 292.6588145757.

The spelling of 25065988 in words is "twenty-five million, sixty-five thousand, nine hundred eighty-eight".