275226431 has 2 divisors, whose sum is σ = 275226432. Its totient is φ = 275226430.

The previous prime is 275226397. The next prime is 275226433. The reversal of 275226431 is 134622572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275226431 - 2¹⁰ = 275225407 is a prime.

It is a super-2 number, since 2×275226431² = 151499176641995522, which contains 22 as substring.

Together with 275226433, 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 (275226433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137613215 + 137613216.

It is an arithmetic number, because the mean of its divisors is an integer number (137613216).

Almost surely, 2^275226431 is an apocalyptic number.

275226431 is a deficient number, since it is larger than the sum of its proper divisors (1).

275226431 is an equidigital number, since it uses as much as digits as its factorization.

275226431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 275226431 is about 16589.9496985374. The cubic root of 275226431 is about 650.4741558084.

The spelling of 275226431 in words is "two hundred seventy-five million, two hundred twenty-six thousand, four hundred thirty-one".