275715 has 24 divisors (see below), whose sum is σ = 522288. Its totient is φ = 133440.

The previous prime is 275711. The next prime is 275719. The reversal of 275715 is 517572.

275715 = 42² + 43² + ... + 96².

It is an interprime number because it is at equal distance from previous prime (275711) and next prime (275719).

It is not a de Polignac number, because 275715 - 2² = 275711 is a prime.

It is a super-2 number, since 2×275715² = 152037522450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (275711) 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 in 23 ways as a sum of consecutive naturals, for example, 217 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (21762).

2²⁷⁵⁷¹⁵ is an apocalyptic number.

275715 is a deficient number, since it is larger than the sum of its proper divisors (246573).

275715 is a wasteful number, since it uses less digits than its factorization.

275715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 576 counting only the distinct ones).

The product of its digits is 2450, while the sum is 27.

The square root of 275715 is about 525.0857072898. The cubic root of 275715 is about 65.0858825313.

It can be divided in two parts, 2757 and 15, that added together give a palindrome (2772).

The spelling of 275715 in words is "two hundred seventy-five thousand, seven hundred fifteen".