25125104231 has 2 divisors, whose sum is σ = 25125104232. Its totient is φ = 25125104230.

The previous prime is 25125104209. The next prime is 25125104363. The reversal of 25125104231 is 13240152152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25125104231 - 2²⁶ = 25057995367 is a prime.

It is a super-2 number, since 2×25125104231² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25125104231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25125194231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562552115 + 12562552116.

It is an arithmetic number, because the mean of its divisors is an integer number (12562552116).

Almost surely, 2^25125104231 is an apocalyptic number.

25125104231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25125104231 is an equidigital number, since it uses as much as digits as its factorization.

25125104231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 25125104231 its reverse (13240152152), we get a palindrome (38365256383).

The spelling of 25125104231 in words is "twenty-five billion, one hundred twenty-five million, one hundred four thousand, two hundred thirty-one".