25012208 has 40 divisors (see below), whose sum is σ = 54944400. Its totient is φ = 10934784.

The previous prime is 25012193. The next prime is 25012217. The reversal of 25012208 is 80221052.

It is a super-2 number, since 2×25012208² = 1251221098070528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25012208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788 + ... + 7116.

It is an arithmetic number, because the mean of its divisors is an integer number (1373610).

Almost surely, 2^25012208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25012208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27472200).

25012208 is an abundant number, since it is smaller than the sum of its proper divisors (29932192).

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

25012208 is a wasteful number, since it uses less digits than its factorization.

25012208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369 (or 6363 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 25012208 is about 5001.2206510011. The cubic root of 25012208 is about 292.4493612876.

The spelling of 25012208 in words is "twenty-five million, twelve thousand, two hundred eight".