25102254231 has 12 divisors (see below), whose sum is σ = 36403272360. Its totient is φ = 16668162000.

The previous prime is 25102254209. The next prime is 25102254239. The reversal of 25102254231 is 13245220152.

25102254231 is a `hidden beast` number, since 2 + 5 + 10 + 225 + 423 + 1 = 666.

It is not a de Polignac number, because 25102254231 - 2⁶ = 25102254167 is a prime.

It is a super-2 number, since 2×25102254231² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25102254195 and 25102254204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25102254239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5553796 + ... + 5558313.

It is an arithmetic number, because the mean of its divisors is an integer number (3033606030).

Almost surely, 2^25102254231 is an apocalyptic number.

25102254231 is a deficient number, since it is larger than the sum of its proper divisors (11301018129).

25102254231 is a wasteful number, since it uses less digits than its factorization.

25102254231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112366 (or 11112363 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25102254231 its reverse (13245220152), we get a palindrome (38347474383).

The spelling of 25102254231 in words is "twenty-five billion, one hundred two million, two hundred fifty-four thousand, two hundred thirty-one".