25528372 has 12 divisors (see below), whose sum is σ = 45882340. Its totient is φ = 12419136.

The previous prime is 25528361. The next prime is 25528387. The reversal of 25528372 is 27382552.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 3663396 = 4676^2 + 1914^2 .

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, 86097 + ... + 86392.

Almost surely, 2^25528372 is an apocalyptic number.

It is an amenable number.

25528372 is a deficient number, since it is larger than the sum of its proper divisors (20353968).

25528372 is a wasteful number, since it uses less digits than its factorization.

25528372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172530 (or 172528 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 25528372 is about 5052.5609348132. The cubic root of 25528372 is about 294.4473883281.

The spelling of 25528372 in words is "twenty-five million, five hundred twenty-eight thousand, three hundred seventy-two".