275975 has 24 divisors (see below), whose sum is σ = 416640. Its totient is φ = 177120.

The previous prime is 275969. The next prime is 275981. The reversal of 275975 is 579572.

It is an interprime number because it is at equal distance from previous prime (275969) and next prime (275981).

It is not a de Polignac number, because 275975 - 2⁶ = 275911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3284 + ... + 3366.

It is an arithmetic number, because the mean of its divisors is an integer number (17360).

2²⁷⁵⁹⁷⁵ is an apocalyptic number.

275975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

275975 is a deficient number, since it is larger than the sum of its proper divisors (140665).

275975 is a wasteful number, since it uses less digits than its factorization.

275975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 114 counting only the distinct ones).

The product of its digits is 22050, while the sum is 35.

The square root of 275975 is about 525.3332275804. Note that the first 3 decimals coincide. The cubic root of 275975 is about 65.1063348256.

The spelling of 275975 in words is "two hundred seventy-five thousand, nine hundred seventy-five".