25170572 has 24 divisors (see below), whose sum is σ = 50448384. Its totient is φ = 10764432.

The previous prime is 25170547. The next prime is 25170577. The reversal of 25170572 is 27507152.

It is not an unprimeable number, because it can be changed into a prime (25170577) 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, 22613 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (2102016).

Almost surely, 2^25170572 is an apocalyptic number.

It is an amenable number.

25170572 is an abundant number, since it is smaller than the sum of its proper divisors (25277812).

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

25170572 is a wasteful number, since it uses less digits than its factorization.

25170572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1923 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 25170572 is about 5017.0282040268. The cubic root of 25170572 is about 293.0652745111.

The spelling of 25170572 in words is "twenty-five million, one hundred seventy thousand, five hundred seventy-two".