274088681 has 2 divisors, whose sum is σ = 274088682. Its totient is φ = 274088680.

The previous prime is 274088651. The next prime is 274088693. The reversal of 274088681 is 186880472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197683600 + 76405081 = 14060^2 + 8741^2 .

It is a cyclic number.

It is not a de Polignac number, because 274088681 - 2²² = 269894377 is a prime.

It is a super-2 number, since 2×274088681² = 150249210104639522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (274088641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137044340 + 137044341.

It is an arithmetic number, because the mean of its divisors is an integer number (137044341).

Almost surely, 2^274088681 is an apocalyptic number.

It is an amenable number.

274088681 is a deficient number, since it is larger than the sum of its proper divisors (1).

274088681 is an equidigital number, since it uses as much as digits as its factorization.

274088681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 274088681 is about 16555.6238481067. The cubic root of 274088681 is about 649.5765928934.

The spelling of 274088681 in words is "two hundred seventy-four million, eighty-eight thousand, six hundred eighty-one".