25217852 has 18 divisors (see below), whose sum is σ = 48508824. Its totient is φ = 11462440.

The previous prime is 25217833. The next prime is 25217861. The reversal of 25217852 is 25871252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25568 + ... + 26535.

Almost surely, 2^25217852 is an apocalyptic number.

25217852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25217852 is a deficient number, since it is larger than the sum of its proper divisors (23290972).

25217852 is a wasteful number, since it uses less digits than its factorization.

25217852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52129 (or 52116 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 25217852 is about 5021.7379461696. The cubic root of 25217852 is about 293.2486561139.

The spelling of 25217852 in words is "twenty-five million, two hundred seventeen thousand, eight hundred fifty-two".