25232691652 has 24 divisors (see below), whose sum is σ = 50666454720. Its totient is φ = 10770924000.

The previous prime is 25232691641. The next prime is 25232691661. The reversal of 25232691652 is 25619623252.

It is a junction number, because it is equal to n+sod(n) for n = 25232691599 and 25232691608.

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, 1788127 + ... + 1802182.

It is an arithmetic number, because the mean of its divisors is an integer number (2111102280).

Almost surely, 2^25232691652 is an apocalyptic number.

It is an amenable number.

25232691652 is an abundant number, since it is smaller than the sum of its proper divisors (25433763068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25232691652 is a wasteful number, since it uses less digits than its factorization.

25232691652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590571 (or 3590569 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

It can be divided in two parts, 2523269 and 1652, that added together give a square (2524921 = 1589²).

The spelling of 25232691652 in words is "twenty-five billion, two hundred thirty-two million, six hundred ninety-one thousand, six hundred fifty-two".