25214988 has 12 divisors (see below), whose sum is σ = 58835000. Its totient is φ = 8404992.

The previous prime is 25214971. The next prime is 25214989. The reversal of 25214988 is 88941252.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25214989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050613 + ... + 1050636.

Almost surely, 2^25214988 is an apocalyptic number.

It is an amenable number.

25214988 is an abundant number, since it is smaller than the sum of its proper divisors (33620012).

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

25214988 is a wasteful number, since it uses less digits than its factorization.

25214988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101256 (or 2101254 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 25214988 is about 5021.4527778323. The cubic root of 25214988 is about 293.2375542439.

The spelling of 25214988 in words is "twenty-five million, two hundred fourteen thousand, nine hundred eighty-eight".