25114565231 has 8 divisors (see below), whose sum is σ = 29065681920. Its totient is φ = 21254278968.

The previous prime is 25114565227. The next prime is 25114565261. The reversal of 25114565231 is 13256541152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25114565231 - 2² = 25114565227 is a prime.

It is a super-2 number, since 2×25114565231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25114565191 and 25114565200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25114565261) 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, 22707011 + ... + 22708116.

It is an arithmetic number, because the mean of its divisors is an integer number (3633210240).

Almost surely, 2^25114565231 is an apocalyptic number.

25114565231 is a deficient number, since it is larger than the sum of its proper divisors (3951116689).

25114565231 is an equidigital number, since it uses as much as digits as its factorization.

25114565231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45415213.

The product of its digits is 36000, while the sum is 35.

The spelling of 25114565231 in words is "twenty-five billion, one hundred fourteen million, five hundred sixty-five thousand, two hundred thirty-one".