25266253925 has 24 divisors (see below), whose sum is σ = 34229386560. Its totient is φ = 18348019200.

The previous prime is 25266253879. The next prime is 25266253933. The reversal of 25266253925 is 52935266252.

It is not a de Polignac number, because 25266253925 - 2⁸ = 25266253669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25266253925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116816 + ... + 253334.

It is an arithmetic number, because the mean of its divisors is an integer number (1426224440).

Almost surely, 2^25266253925 is an apocalyptic number.

25266253925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25266253925 is a deficient number, since it is larger than the sum of its proper divisors (8963132635).

25266253925 is a wasteful number, since it uses less digits than its factorization.

25266253925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137213 (or 137208 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 47.

The spelling of 25266253925 in words is "twenty-five billion, two hundred sixty-six million, two hundred fifty-three thousand, nine hundred twenty-five".