25170152 has 32 divisors (see below), whose sum is σ = 54172800. Its totient is φ = 10739904.

The previous prime is 25170151. The next prime is 25170169. The reversal of 25170152 is 25107152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25170151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13874 + ... + 15582.

It is an arithmetic number, because the mean of its divisors is an integer number (1692900).

Almost surely, 2^25170152 is an apocalyptic number.

It is an amenable number.

25170152 is an abundant number, since it is smaller than the sum of its proper divisors (29002648).

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

25170152 is a wasteful number, since it uses less digits than its factorization.

25170152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 25170152 is about 5016.9863464036. The cubic root of 25170152 is about 293.0636444581.

The spelling of 25170152 in words is "twenty-five million, one hundred seventy thousand, one hundred fifty-two".