25291652 has 12 divisors (see below), whose sum is σ = 44403996. Its totient is φ = 12604800.

The previous prime is 25291621. The next prime is 25291661. The reversal of 25291652 is 25619252.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 25240576 = 226^2 + 5024^2 .

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 3 ways as a sum of consecutive naturals, for example, 8849 + ... + 11352.

It is an arithmetic number, because the mean of its divisors is an integer number (3700333).

Almost surely, 2^25291652 is an apocalyptic number.

It is an amenable number.

25291652 is a deficient number, since it is larger than the sum of its proper divisors (19112344).

25291652 is a wasteful number, since it uses less digits than its factorization.

25291652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20518 (or 20516 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 25291652 is about 5029.0806316861. The cubic root of 25291652 is about 293.5344414055.

The spelling of 25291652 in words is "twenty-five million, two hundred ninety-one thousand, six hundred fifty-two".