274004161 has 2 divisors, whose sum is σ = 274004162. Its totient is φ = 274004160.

The previous prime is 274004089. The next prime is 274004173. The reversal of 274004161 is 161400472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171610000 + 102394161 = 13100^2 + 10119^2 .

It is a cyclic number.

It is not a de Polignac number, because 274004161 - 2¹⁹ = 273479873 is a prime.

It is not a weakly prime, because it can be changed into another prime (274004191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137002080 + 137002081.

It is an arithmetic number, because the mean of its divisors is an integer number (137002081).

Almost surely, 2^274004161 is an apocalyptic number.

It is an amenable number.

274004161 is a deficient number, since it is larger than the sum of its proper divisors (1).

274004161 is an equidigital number, since it uses as much as digits as its factorization.

274004161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 274004161 is about 16553.0710443712. The cubic root of 274004161 is about 649.5098166251.

The spelling of 274004161 in words is "two hundred seventy-four million, four thousand, one hundred sixty-one".