274660697 has 2 divisors, whose sum is σ = 274660698. Its totient is φ = 274660696.

The previous prime is 274660679. The next prime is 274660699. The reversal of 274660697 is 796066472.

Together with previous prime (274660679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254849296 + 19811401 = 15964^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 274660697 - 2¹⁴ = 274644313 is a prime.

Together with 274660699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274660699) 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, 137330348 + 137330349.

It is an arithmetic number, because the mean of its divisors is an integer number (137330349).

Almost surely, 2^274660697 is an apocalyptic number.

It is an amenable number.

274660697 is a deficient number, since it is larger than the sum of its proper divisors (1).

274660697 is an equidigital number, since it uses as much as digits as its factorization.

274660697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 274660697 is about 16572.8904238217. The cubic root of 274660697 is about 650.0281620934.

The spelling of 274660697 in words is "two hundred seventy-four million, six hundred sixty thousand, six hundred ninety-seven".