25334252251 has 16 divisors (see below), whose sum is σ = 32320113408. Its totient is φ = 19281880800.

The previous prime is 25334252201. The next prime is 25334252257. The reversal of 25334252251 is 15225243352.

It is not a de Polignac number, because 25334252251 - 2⁷ = 25334252123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25334252257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3822460 + ... + 3829081.

It is an arithmetic number, because the mean of its divisors is an integer number (2020007088).

Almost surely, 2^25334252251 is an apocalyptic number.

25334252251 is a deficient number, since it is larger than the sum of its proper divisors (6985861157).

25334252251 is a wasteful number, since it uses less digits than its factorization.

25334252251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651602.

The product of its digits is 72000, while the sum is 34.

The spelling of 25334252251 in words is "twenty-five billion, three hundred thirty-four million, two hundred fifty-two thousand, two hundred fifty-one".