274085263 has 2 divisors, whose sum is σ = 274085264. Its totient is φ = 274085262.

The previous prime is 274085221. The next prime is 274085269. The reversal of 274085263 is 362580472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274085263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274085269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137042631 + 137042632.

It is an arithmetic number, because the mean of its divisors is an integer number (137042632).

Almost surely, 2^274085263 is an apocalyptic number.

274085263 is a deficient number, since it is larger than the sum of its proper divisors (1).

274085263 is an equidigital number, since it uses as much as digits as its factorization.

274085263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 274085263 is about 16555.5206200228. The cubic root of 274085263 is about 649.5738927187.

The spelling of 274085263 in words is "two hundred seventy-four million, eighty-five thousand, two hundred sixty-three".