275442 has 16 divisors (see below), whose sum is σ = 570240.
Its totient is φ = 88592.
The previous prime is 275423. The next prime is 275447. The reversal of 275442 is 244572.
It can be divided in two parts, 275 and 442, that added together give a palindrome (717).
It is not an unprimeable number, because it can be changed into a prime (275447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618 + ... + 965.
It is an arithmetic number, because the mean of its divisors is an integer number (35640).
2275442 is an apocalyptic number.
275442 is an abundant number, since it is smaller than the sum of its proper divisors (294798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
275442 is a wasteful number, since it uses less digits than its factorization.
275442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1617.
The product of its digits is 2240, while the sum is 24.
The square root of 275442 is about 524.8256853470.
The cubic root of 275442 is about 65.0643937794.
The spelling of 275442 in words is "two hundred seventy-five thousand, four hundred forty-two".