274564061 has 2 divisors, whose sum is σ = 274564062. Its totient is φ = 274564060.

The previous prime is 274564051. The next prime is 274564063. The reversal of 274564061 is 160465472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274399225 + 164836 = 16565^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 274564061 - 2⁶ = 274563997 is a prime.

Together with 274564063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274564063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137282030 + 137282031.

It is an arithmetic number, because the mean of its divisors is an integer number (137282031).

Almost surely, 2^274564061 is an apocalyptic number.

It is an amenable number.

274564061 is a deficient number, since it is larger than the sum of its proper divisors (1).

274564061 is an equidigital number, since it uses as much as digits as its factorization.

274564061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 274564061 is about 16569.9746831430. The cubic root of 274564061 is about 649.9519183369.

The spelling of 274564061 in words is "two hundred seventy-four million, five hundred sixty-four thousand, sixty-one".