275238 has 20 divisors (see below), whose sum is σ = 617100. Its totient is φ = 91692.

The previous prime is 275227. The next prime is 275251. The reversal of 275238 is 832572.

275238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

275238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 688 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (30855).

2²⁷⁵²³⁸ is an apocalyptic number.

275238 is an abundant number, since it is smaller than the sum of its proper divisors (341862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275238 is a wasteful number, since it uses less digits than its factorization.

275238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1704 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 275238 is about 524.6312991044. The cubic root of 275238 is about 65.0483269795.

The spelling of 275238 in words is "two hundred seventy-five thousand, two hundred thirty-eight".