25212325252 has 24 divisors (see below), whose sum is σ = 47979580824. Its totient is φ = 11543956992.

The previous prime is 25212325247. The next prime is 25212325279. The reversal of 25212325252 is 25252321252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13534064896 + 11678260356 = 116336^2 + 108066^2 .

It is a super-2 number, since 2×25212325252² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5007883 + ... + 5012914.

It is an arithmetic number, because the mean of its divisors is an integer number (1999149201).

Almost surely, 2^25212325252 is an apocalyptic number.

It is an amenable number.

25212325252 is a deficient number, since it is larger than the sum of its proper divisors (22767255572).

25212325252 is a wasteful number, since it uses less digits than its factorization.

25212325252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020855 (or 10020853 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

It can be divided in two parts, 25212 and 325252, that added together give a square (350464 = 592²).

The spelling of 25212325252 in words is "twenty-five billion, two hundred twelve million, three hundred twenty-five thousand, two hundred fifty-two".