274381193 has 2 divisors, whose sum is σ = 274381194. Its totient is φ = 274381192.

The previous prime is 274381183. The next prime is 274381201. The reversal of 274381193 is 391183472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237560569 + 36820624 = 15413^2 + 6068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274381193 is a prime.

It is not a weakly prime, because it can be changed into another prime (274381103) 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, 137190596 + 137190597.

It is an arithmetic number, because the mean of its divisors is an integer number (137190597).

Almost surely, 2^274381193 is an apocalyptic number.

It is an amenable number.

274381193 is a deficient number, since it is larger than the sum of its proper divisors (1).

274381193 is an equidigital number, since it uses as much as digits as its factorization.

274381193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 274381193 is about 16564.4557109493. The cubic root of 274381193 is about 649.8075903868.

The spelling of 274381193 in words is "two hundred seventy-four million, three hundred eighty-one thousand, one hundred ninety-three".