274482149 has 2 divisors, whose sum is σ = 274482150. Its totient is φ = 274482148.

The previous prime is 274482133. The next prime is 274482163. The reversal of 274482149 is 941284472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178089025 + 96393124 = 13345^2 + 9818^2 .

It is a cyclic number.

It is not a de Polignac number, because 274482149 - 2⁴ = 274482133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274482199) 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, 137241074 + 137241075.

It is an arithmetic number, because the mean of its divisors is an integer number (137241075).

Almost surely, 2^274482149 is an apocalyptic number.

It is an amenable number.

274482149 is a deficient number, since it is larger than the sum of its proper divisors (1).

274482149 is an equidigital number, since it uses as much as digits as its factorization.

274482149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 274482149 is about 16567.5027991547. The cubic root of 274482149 is about 649.8872774943.

The spelling of 274482149 in words is "two hundred seventy-four million, four hundred eighty-two thousand, one hundred forty-nine".