274005397 has 2 divisors, whose sum is σ = 274005398. Its totient is φ = 274005396.

The previous prime is 274005383. The next prime is 274005467. The reversal of 274005397 is 793500472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205463556 + 68541841 = 14334^2 + 8279^2 .

It is a cyclic number.

It is not a de Polignac number, because 274005397 - 2¹¹ = 274003349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274005377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137002698 + 137002699.

It is an arithmetic number, because the mean of its divisors is an integer number (137002699).

Almost surely, 2^274005397 is an apocalyptic number.

It is an amenable number.

274005397 is a deficient number, since it is larger than the sum of its proper divisors (1).

274005397 is an equidigital number, since it uses as much as digits as its factorization.

274005397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 274005397 is about 16553.1083787910. The cubic root of 274005397 is about 649.5107932440.

The spelling of 274005397 in words is "two hundred seventy-four million, five thousand, three hundred ninety-seven".