274508449 has 2 divisors, whose sum is σ = 274508450. Its totient is φ = 274508448.

The previous prime is 274508411. The next prime is 274508453. The reversal of 274508449 is 944805472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207792225 + 66716224 = 14415^2 + 8168^2 .

It is a cyclic number.

It is not a de Polignac number, because 274508449 - 2²⁵ = 240954017 is a prime.

It is not a weakly prime, because it can be changed into another prime (274508249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137254224 + 137254225.

It is an arithmetic number, because the mean of its divisors is an integer number (137254225).

Almost surely, 2^274508449 is an apocalyptic number.

It is an amenable number.

274508449 is a deficient number, since it is larger than the sum of its proper divisors (1).

274508449 is an equidigital number, since it uses as much as digits as its factorization.

274508449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 274508449 is about 16568.2965026583. The cubic root of 274508449 is about 649.9080335369.

The spelling of 274508449 in words is "two hundred seventy-four million, five hundred eight thousand, four hundred forty-nine".