25344131 has 2 divisors, whose sum is σ = 25344132. Its totient is φ = 25344130.

The previous prime is 25344113. The next prime is 25344167. The reversal of 25344131 is 13144352.

Together with previous prime (25344113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25344131 is a prime.

It is a super-2 number, since 2×25344131² = 1284649952290322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25344097 and 25344106.

It is not a weakly prime, because it can be changed into another prime (25344101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12672065 + 12672066.

It is an arithmetic number, because the mean of its divisors is an integer number (12672066).

Almost surely, 2^25344131 is an apocalyptic number.

25344131 is a deficient number, since it is larger than the sum of its proper divisors (1).

25344131 is an equidigital number, since it uses as much as digits as its factorization.

25344131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 25344131 is about 5034.2954819915. The cubic root of 25344131 is about 293.7373245775.

Adding to 25344131 its reverse (13144352), we get a palindrome (38488483).

The spelling of 25344131 in words is "twenty-five million, three hundred forty-four thousand, one hundred thirty-one".