25248208 has 20 divisors (see below), whose sum is σ = 50241700. Its totient is φ = 12282624.

The previous prime is 25248191. The next prime is 25248271. The reversal of 25248208 is 80284252.

It can be written as a sum of positive squares in 2 ways, for example, as 19430464 + 5817744 = 4408^2 + 2412^2 .

It is a super-2 number, since 2×25248208² = 1274944014422528, 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 25248208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20733 + ... + 21916.

It is an arithmetic number, because the mean of its divisors is an integer number (2512085).

Almost surely, 2^25248208 is an apocalyptic number.

It is an amenable number.

25248208 is a deficient number, since it is larger than the sum of its proper divisors (24993492).

25248208 is a wasteful number, since it uses less digits than its factorization.

25248208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42694 (or 42688 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 25248208 is about 5024.7594967322. The cubic root of 25248208 is about 293.3662749965.

The spelling of 25248208 in words is "twenty-five million, two hundred forty-eight thousand, two hundred eight".