25974467253 has 12 divisors (see below), whose sum is σ = 42878485728. Its totient is φ = 14842552680.

The previous prime is 25974467251. The next prime is 25974467303. The reversal of 25974467253 is 35276447952.

25974467253 is a `hidden beast` number, since 2 + 597 + 4 + 46 + 7 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 25974467253 - 2¹ = 25974467251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25974467253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25974467251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206146503 + ... + 206146628.

It is an arithmetic number, because the mean of its divisors is an integer number (3573207144).

Almost surely, 2^25974467253 is an apocalyptic number.

It is an amenable number.

25974467253 is a deficient number, since it is larger than the sum of its proper divisors (16904018475).

25974467253 is a wasteful number, since it uses less digits than its factorization.

25974467253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412293144 (or 412293141 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 25974467253 in words is "twenty-five billion, nine hundred seventy-four million, four hundred sixty-seven thousand, two hundred fifty-three".