274205497 has 2 divisors, whose sum is σ = 274205498. Its totient is φ = 274205496.

The previous prime is 274205443. The next prime is 274205501. The reversal of 274205497 is 794502472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241211961 + 32993536 = 15531^2 + 5744^2 .

It is a cyclic number.

It is not a de Polignac number, because 274205497 - 2¹⁵ = 274172729 is a prime.

It is not a weakly prime, because it can be changed into another prime (274205297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137102748 + 137102749.

It is an arithmetic number, because the mean of its divisors is an integer number (137102749).

Almost surely, 2^274205497 is an apocalyptic number.

It is an amenable number.

274205497 is a deficient number, since it is larger than the sum of its proper divisors (1).

274205497 is an equidigital number, since it uses as much as digits as its factorization.

274205497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 274205497 is about 16559.1514577287. The cubic root of 274205497 is about 649.6688624969.

The spelling of 274205497 in words is "two hundred seventy-four million, two hundred five thousand, four hundred ninety-seven".