25225808 has 10 divisors (see below), whose sum is σ = 48875034. Its totient is φ = 12612896.

The previous prime is 25225801. The next prime is 25225813. The reversal of 25225808 is 80852252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 11888704 = 3652^2 + 3448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788291 + ... + 788322.

Almost surely, 2^25225808 is an apocalyptic number.

It is an amenable number.

25225808 is a deficient number, since it is larger than the sum of its proper divisors (23649226).

25225808 is a wasteful number, since it uses less digits than its factorization.

25225808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576621 (or 1576615 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 25225808 is about 5022.5300397310. The cubic root of 25225808 is about 293.2794919546.

The spelling of 25225808 in words is "twenty-five million, two hundred twenty-five thousand, eight hundred eight".