25272273931 has 2 divisors, whose sum is σ = 25272273932. Its totient is φ = 25272273930.

The previous prime is 25272273919. The next prime is 25272274031. The reversal of 25272273931 is 13937227252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25272273931 - 2¹¹ = 25272271883 is a prime.

It is a super-2 number, since 2×25272273931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25272273911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12636136965 + 12636136966.

It is an arithmetic number, because the mean of its divisors is an integer number (12636136966).

Almost surely, 2^25272273931 is an apocalyptic number.

25272273931 is a deficient number, since it is larger than the sum of its proper divisors (1).

25272273931 is an equidigital number, since it uses as much as digits as its factorization.

25272273931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The spelling of 25272273931 in words is "twenty-five billion, two hundred seventy-two million, two hundred seventy-three thousand, nine hundred thirty-one".