274549057 has 2 divisors, whose sum is σ = 274549058. Its totient is φ = 274549056.

The previous prime is 274549027. The next prime is 274549073. The reversal of 274549057 is 750945472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238115761 + 36433296 = 15431^2 + 6036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274549057 is a prime.

It is not a weakly prime, because it can be changed into another prime (274549027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137274528 + 137274529.

It is an arithmetic number, because the mean of its divisors is an integer number (137274529).

Almost surely, 2^274549057 is an apocalyptic number.

It is an amenable number.

274549057 is a deficient number, since it is larger than the sum of its proper divisors (1).

274549057 is an equidigital number, since it uses as much as digits as its factorization.

274549057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 274549057 is about 16569.5219303395. The cubic root of 274549057 is about 649.9400788944.

The spelling of 274549057 in words is "two hundred seventy-four million, five hundred forty-nine thousand, fifty-seven".