274993 has 2 divisors, whose sum is σ = 274994. Its totient is φ = 274992.

The previous prime is 274973. The next prime is 275003. The reversal of 274993 is 399472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 91809 = 428^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 274993 - 2⁵ = 274961 is a prime.

It is not a weakly prime, because it can be changed into another prime (274943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137496 + 137497.

It is an arithmetic number, because the mean of its divisors is an integer number (137497).

2²⁷⁴⁹⁹³ is an apocalyptic number.

It is an amenable number.

274993 is a deficient number, since it is larger than the sum of its proper divisors (1).

274993 is an equidigital number, since it uses as much as digits as its factorization.

274993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 274993 is about 524.3977498045. The cubic root of 274993 is about 65.0290205718.

The spelling of 274993 in words is "two hundred seventy-four thousand, nine hundred ninety-three".