25253451351 has 8 divisors (see below), whose sum is σ = 37412520560. Its totient is φ = 16835634216.

The previous prime is 25253451337. The next prime is 25253451359. The reversal of 25253451351 is 15315435252.

25253451351 is a `hidden beast` number, since 2 + 5 + 253 + 4 + 51 + 351 = 666.

It is not a de Polignac number, because 25253451351 - 2¹⁸ = 25253189207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253451359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467656480 + ... + 467656533.

It is an arithmetic number, because the mean of its divisors is an integer number (4676565070).

Almost surely, 2^25253451351 is an apocalyptic number.

25253451351 is a deficient number, since it is larger than the sum of its proper divisors (12159069209).

25253451351 is an equidigital number, since it uses as much as digits as its factorization.

25253451351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935313022 (or 935313016 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 25253451351 in words is "twenty-five billion, two hundred fifty-three million, four hundred fifty-one thousand, three hundred fifty-one".