25351232475 has 48 divisors (see below), whose sum is σ = 43507929600. Its totient is φ = 13015939200.

The previous prime is 25351232453. The next prime is 25351232479. The reversal of 25351232475 is 57423215352.

It is not a de Polignac number, because 25351232475 - 2⁵ = 25351232443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25351232479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156076 + ... + 273974.

It is an arithmetic number, because the mean of its divisors is an integer number (906415200).

Almost surely, 2^25351232475 is an apocalyptic number.

25351232475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25351232475 is a deficient number, since it is larger than the sum of its proper divisors (18156697125).

25351232475 is a wasteful number, since it uses less digits than its factorization.

25351232475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118020 (or 118015 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The spelling of 25351232475 in words is "twenty-five billion, three hundred fifty-one million, two hundred thirty-two thousand, four hundred seventy-five".