274272431 has 2 divisors, whose sum is σ = 274272432. Its totient is φ = 274272430.

The previous prime is 274272419. The next prime is 274272433. The reversal of 274272431 is 134272472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274272431 - 2⁶ = 274272367 is a prime.

It is a super-2 number, since 2×274272431² = 150450732813299522, which contains 22 as substring.

Together with 274272433, 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 (274272433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137136215 + 137136216.

It is an arithmetic number, because the mean of its divisors is an integer number (137136216).

Almost surely, 2^274272431 is an apocalyptic number.

274272431 is a deficient number, since it is larger than the sum of its proper divisors (1).

274272431 is an equidigital number, since it uses as much as digits as its factorization.

274272431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 32.

The square root of 274272431 is about 16561.1723920742. The cubic root of 274272431 is about 649.7217199321.

The spelling of 274272431 in words is "two hundred seventy-four million, two hundred seventy-two thousand, four hundred thirty-one".