274381213 has 2 divisors, whose sum is σ = 274381214. Its totient is φ = 274381212.

The previous prime is 274381201. The next prime is 274381229. The reversal of 274381213 is 312183472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149768644 + 124612569 = 12238^2 + 11163^2 .

It is a cyclic number.

It is not a de Polignac number, because 274381213 - 2⁵ = 274381181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274381243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137190606 + 137190607.

It is an arithmetic number, because the mean of its divisors is an integer number (137190607).

Almost surely, 2^274381213 is an apocalyptic number.

It is an amenable number.

274381213 is a deficient number, since it is larger than the sum of its proper divisors (1).

274381213 is an equidigital number, since it uses as much as digits as its factorization.

274381213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 274381213 is about 16564.4563146516. The cubic root of 274381213 is about 649.8076061752.

The spelling of 274381213 in words is "two hundred seventy-four million, three hundred eighty-one thousand, two hundred thirteen".