274673563 has 2 divisors, whose sum is σ = 274673564. Its totient is φ = 274673562.

The previous prime is 274673543. The next prime is 274673579. The reversal of 274673563 is 365376472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274673563 - 2²¹ = 272576411 is a prime.

It is a super-2 number, since 2×274673563² = 150891132422229938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (274673543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137336781 + 137336782.

It is an arithmetic number, because the mean of its divisors is an integer number (137336782).

Almost surely, 2^274673563 is an apocalyptic number.

274673563 is a deficient number, since it is larger than the sum of its proper divisors (1).

274673563 is an equidigital number, since it uses as much as digits as its factorization.

274673563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 43.

The square root of 274673563 is about 16573.2785833099. The cubic root of 274673563 is about 650.0383117458.

The spelling of 274673563 in words is "two hundred seventy-four million, six hundred seventy-three thousand, five hundred sixty-three".