275501 has 6 divisors (see below), whose sum is σ = 283950. Its totient is φ = 267288.

The previous prime is 275491. The next prime is 275503. The reversal of 275501 is 105572.

It can be written as a sum of positive squares in only one way, i.e., 184900 + 90601 = 430^2 + 301^2 .

It is a de Polignac number, because none of the positive numbers 2^k-275501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1775 + ... + 1923.

It is an arithmetic number, because the mean of its divisors is an integer number (47325).

2²⁷⁵⁵⁰¹ is an apocalyptic number.

It is an amenable number.

275501 is a deficient number, since it is larger than the sum of its proper divisors (8449).

275501 is an equidigital number, since it uses as much as digits as its factorization.

275501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 275501 is about 524.8818914765. The cubic root of 275501 is about 65.0690390709.

The spelling of 275501 in words is "two hundred seventy-five thousand, five hundred one".