25113000431 has 2 divisors, whose sum is σ = 25113000432. Its totient is φ = 25113000430.

The previous prime is 25113000427. The next prime is 25113000433. The reversal of 25113000431 is 13400031152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25113000431 - 2² = 25113000427 is a prime.

It is a super-2 number, since 2×25113000431² (a number of 22 digits) contains 22 as substring.

Together with 25113000433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25113000433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556500215 + 12556500216.

It is an arithmetic number, because the mean of its divisors is an integer number (12556500216).

Almost surely, 2^25113000431 is an apocalyptic number.

25113000431 is a deficient number, since it is larger than the sum of its proper divisors (1).

25113000431 is an equidigital number, since it uses as much as digits as its factorization.

25113000431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 25113000431 its reverse (13400031152), we get a palindrome (38513031583).

The spelling of 25113000431 in words is "twenty-five billion, one hundred thirteen million, four hundred thirty-one", and thus it is an aban number.