274237913 has 2 divisors, whose sum is σ = 274237914. Its totient is φ = 274237912.

The previous prime is 274237879. The next prime is 274237937. The reversal of 274237913 is 319732472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206554384 + 67683529 = 14372^2 + 8227^2 .

It is a cyclic number.

It is not a de Polignac number, because 274237913 - 2¹⁶ = 274172377 is a prime.

It is not a weakly prime, because it can be changed into another prime (274237813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137118956 + 137118957.

It is an arithmetic number, because the mean of its divisors is an integer number (137118957).

Almost surely, 2^274237913 is an apocalyptic number.

It is an amenable number.

274237913 is a deficient number, since it is larger than the sum of its proper divisors (1).

274237913 is an equidigital number, since it uses as much as digits as its factorization.

274237913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 274237913 is about 16560.1302229179. The cubic root of 274237913 is about 649.6944623192.

The spelling of 274237913 in words is "two hundred seventy-four million, two hundred thirty-seven thousand, nine hundred thirteen".