25972224532 has 6 divisors (see below), whose sum is σ = 45451392938. Its totient is φ = 12986112264.

The previous prime is 25972224511. The next prime is 25972224547. The reversal of 25972224532 is 23542227952.

It can be written as a sum of positive squares in only one way, i.e., 21070264336 + 4901960196 = 145156^2 + 70014^2 .

It is a super-3 number, since 3×25972224532³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3246528063 + ... + 3246528070.

Almost surely, 2^25972224532 is an apocalyptic number.

It is an amenable number.

25972224532 is a deficient number, since it is larger than the sum of its proper divisors (19479168406).

25972224532 is a wasteful number, since it uses less digits than its factorization.

25972224532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493056137 (or 6493056135 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The spelling of 25972224532 in words is "twenty-five billion, nine hundred seventy-two million, two hundred twenty-four thousand, five hundred thirty-two".