274542263 has 2 divisors, whose sum is σ = 274542264. Its totient is φ = 274542262.

The previous prime is 274542253. The next prime is 274542271. The reversal of 274542263 is 362245472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274542263 - 2²⁴ = 257765047 is a prime.

It is a super-2 number, since 2×274542263² = 150746908346322338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274542253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137271131 + 137271132.

It is an arithmetic number, because the mean of its divisors is an integer number (137271132).

Almost surely, 2^274542263 is an apocalyptic number.

274542263 is a deficient number, since it is larger than the sum of its proper divisors (1).

274542263 is an equidigital number, since it uses as much as digits as its factorization.

274542263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 35.

The square root of 274542263 is about 16569.3169141036. The cubic root of 274542263 is about 649.9347177040.

The spelling of 274542263 in words is "two hundred seventy-four million, five hundred forty-two thousand, two hundred sixty-three".