275879 has 4 divisors (see below), whose sum is σ = 278520. Its totient is φ = 273240.

The previous prime is 275837. The next prime is 275881. The reversal of 275879 is 978572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275879 - 2⁸ = 275623 is a prime.

It is a super-2 number, since 2×275879² = 152218445282, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (69630).

2²⁷⁵⁸⁷⁹ is an apocalyptic number.

275879 is a deficient number, since it is larger than the sum of its proper divisors (2641).

275879 is a wasteful number, since it uses less digits than its factorization.

275879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640.

The product of its digits is 35280, while the sum is 38.

The square root of 275879 is about 525.2418490562. The cubic root of 275879 is about 65.0987847057.

The spelling of 275879 in words is "two hundred seventy-five thousand, eight hundred seventy-nine".