274034561 has 2 divisors, whose sum is σ = 274034562. Its totient is φ = 274034560.

The previous prime is 274034533. The next prime is 274034573. The reversal of 274034561 is 165430472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273703936 + 330625 = 16544^2 + 575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274034561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274034591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137017280 + 137017281.

It is an arithmetic number, because the mean of its divisors is an integer number (137017281).

Almost surely, 2^274034561 is an apocalyptic number.

It is an amenable number.

274034561 is a deficient number, since it is larger than the sum of its proper divisors (1).

274034561 is an equidigital number, since it uses as much as digits as its factorization.

274034561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 274034561 is about 16553.9892775125. The cubic root of 274034561 is about 649.5338361730.

The spelling of 274034561 in words is "two hundred seventy-four million, thirty-four thousand, five hundred sixty-one".