25234500231 has 6 divisors (see below), whose sum is σ = 36449833680. Its totient is φ = 16823000148.

The previous prime is 25234500197. The next prime is 25234500289. The reversal of 25234500231 is 13200543252.

It is a happy number.

It is not a de Polignac number, because 25234500231 - 2¹¹ = 25234498183 is a prime.

It is a super-2 number, since 2×25234500231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25234500195 and 25234500204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25234501231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1401916671 + ... + 1401916688.

It is an arithmetic number, because the mean of its divisors is an integer number (6074972280).

Almost surely, 2^25234500231 is an apocalyptic number.

25234500231 is a deficient number, since it is larger than the sum of its proper divisors (11215333449).

25234500231 is a wasteful number, since it uses less digits than its factorization.

25234500231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803833365 (or 2803833362 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 25234500231 in words is "twenty-five billion, two hundred thirty-four million, five hundred thousand, two hundred thirty-one".