279593 has 2 divisors, whose sum is σ = 279594. Its totient is φ = 279592.

The previous prime is 279583. The next prime is 279607. The reversal of 279593 is 395972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218089 + 61504 = 467^2 + 248^2 .

It is a cyclic number.

It is not a de Polignac number, because 279593 - 2⁴ = 279577 is a prime.

It is not a weakly prime, because it can be changed into another prime (279523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139796 + 139797.

It is an arithmetic number, because the mean of its divisors is an integer number (139797).

2²⁷⁹⁵⁹³ is an apocalyptic number.

It is an amenable number.

279593 is a deficient number, since it is larger than the sum of its proper divisors (1).

279593 is an equidigital number, since it uses as much as digits as its factorization.

279593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 35.

The square root of 279593 is about 528.7655435068. The cubic root of 279593 is about 65.3896126426.

The spelling of 279593 in words is "two hundred seventy-nine thousand, five hundred ninety-three".