25415252 has 12 divisors (see below), whose sum is σ = 46010580. Its totient is φ = 12269376.

The previous prime is 25415251. The next prime is 25415303. The reversal of 25415252 is 25251452.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 15085456 = 3214^2 + 3884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25415251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109433 + ... + 109664.

It is an arithmetic number, because the mean of its divisors is an integer number (3834215).

Almost surely, 2^25415252 is an apocalyptic number.

It is an amenable number.

25415252 is a deficient number, since it is larger than the sum of its proper divisors (20595328).

25415252 is a wasteful number, since it uses less digits than its factorization.

25415252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219130 (or 219128 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 25415252 is about 5041.3541831536. The cubic root of 25415252 is about 294.0118310139.

The spelling of 25415252 in words is "twenty-five million, four hundred fifteen thousand, two hundred fifty-two".