25879382131 has 2 divisors, whose sum is σ = 25879382132. Its totient is φ = 25879382130.

The previous prime is 25879382129. The next prime is 25879382141. The reversal of 25879382131 is 13128397852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25879382131 - 2¹ = 25879382129 is a prime.

It is a super-2 number, since 2×25879382131² (a number of 22 digits) contains 22 as substring.

Together with 25879382129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25879382141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12939691065 + 12939691066.

It is an arithmetic number, because the mean of its divisors is an integer number (12939691066).

Almost surely, 2^25879382131 is an apocalyptic number.

25879382131 is a deficient number, since it is larger than the sum of its proper divisors (1).

25879382131 is an equidigital number, since it uses as much as digits as its factorization.

25879382131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The spelling of 25879382131 in words is "twenty-five billion, eight hundred seventy-nine million, three hundred eighty-two thousand, one hundred thirty-one".