25071379231 has 2 divisors, whose sum is σ = 25071379232. Its totient is φ = 25071379230.

The previous prime is 25071379217. The next prime is 25071379261. The reversal of 25071379231 is 13297317052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25071379231 - 2⁵ = 25071379199 is a prime.

It is a super-2 number, since 2×25071379231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25071379261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12535689615 + 12535689616.

It is an arithmetic number, because the mean of its divisors is an integer number (12535689616).

Almost surely, 2^25071379231 is an apocalyptic number.

25071379231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25071379231 is an equidigital number, since it uses as much as digits as its factorization.

25071379231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 25071379231 in words is "twenty-five billion, seventy-one million, three hundred seventy-nine thousand, two hundred thirty-one".