275542 has 4 divisors (see below), whose sum is σ = 413316. Its totient is φ = 137770.

The previous prime is 275531. The next prime is 275543. The reversal of 275542 is 245572.

275542 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68884 + ... + 68887.

It is an arithmetic number, because the mean of its divisors is an integer number (103329).

2²⁷⁵⁵⁴² is an apocalyptic number.

275542 is a deficient number, since it is larger than the sum of its proper divisors (137774).

275542 is a wasteful number, since it uses less digits than its factorization.

275542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137773.

The product of its digits is 2800, while the sum is 25.

The square root of 275542 is about 524.9209464291. The cubic root of 275542 is about 65.0722667643.

It can be divided in two parts, 27554 and 2, that added together give a square (27556 = 166²).

The spelling of 275542 in words is "two hundred seventy-five thousand, five hundred forty-two".