25125344131 has 2 divisors, whose sum is σ = 25125344132. Its totient is φ = 25125344130.

The previous prime is 25125344071. The next prime is 25125344143. The reversal of 25125344131 is 13144352152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25125344131 - 2³¹ = 22977860483 is a prime.

It is a super-2 number, since 2×25125344131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25125344093 and 25125344102.

It is not a weakly prime, because it can be changed into another prime (25125344161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562672065 + 12562672066.

It is an arithmetic number, because the mean of its divisors is an integer number (12562672066).

Almost surely, 2^25125344131 is an apocalyptic number.

25125344131 is a deficient number, since it is larger than the sum of its proper divisors (1).

25125344131 is an equidigital number, since it uses as much as digits as its factorization.

25125344131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

Adding to 25125344131 its reverse (13144352152), we get a palindrome (38269696283).

The spelling of 25125344131 in words is "twenty-five billion, one hundred twenty-five million, three hundred forty-four thousand, one hundred thirty-one".