274591 has 2 divisors, whose sum is σ = 274592. Its totient is φ = 274590.

The previous prime is 274583. The next prime is 274609. The reversal of 274591 is 195472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274591 - 2³ = 274583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137295 + 137296.

It is an arithmetic number, because the mean of its divisors is an integer number (137296).

2²⁷⁴⁵⁹¹ is an apocalyptic number.

274591 is a deficient number, since it is larger than the sum of its proper divisors (1).

274591 is an equidigital number, since it uses as much as digits as its factorization.

274591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 274591 is about 524.0143127816. The cubic root of 274591 is about 64.9973174435.

The spelling of 274591 in words is "two hundred seventy-four thousand, five hundred ninety-one".