275939 has 2 divisors, whose sum is σ = 275940. Its totient is φ = 275938.

The previous prime is 275929. The next prime is 275941. The reversal of 275939 is 939572.

275939 is nontrivially palindromic in base 6.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275939 - 2⁴ = 275923 is a prime.

It is a super-2 number, since 2×275939² = 152284663442, which contains 22 as substring.

Together with 275941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 275899 and 275908.

It is not a weakly prime, because it can be changed into another prime (275929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137969 + 137970.

It is an arithmetic number, because the mean of its divisors is an integer number (137970).

2²⁷⁵⁹³⁹ is an apocalyptic number.

275939 is a deficient number, since it is larger than the sum of its proper divisors (1).

275939 is an equidigital number, since it uses as much as digits as its factorization.

275939 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 275939 is about 525.2989624966. The cubic root of 275939 is about 65.1035037358.

The spelling of 275939 in words is "two hundred seventy-five thousand, nine hundred thirty-nine".