275481232 has 20 divisors (see below), whose sum is σ = 574802620. Its totient is φ = 127145088.

The previous prime is 275481197. The next prime is 275481251. The reversal of 275481232 is 232184572.

It is a happy number.

275481232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29116816 + 246364416 = 5396^2 + 15696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662007 + ... + 662422.

It is an arithmetic number, because the mean of its divisors is an integer number (28740131).

Almost surely, 2^275481232 is an apocalyptic number.

It is an amenable number.

275481232 is an abundant number, since it is smaller than the sum of its proper divisors (299321388).

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

275481232 is a wasteful number, since it uses less digits than its factorization.

275481232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324450 (or 1324444 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 275481232 is about 16597.6273003101. The cubic root of 275481232 is about 650.6748273597.

The spelling of 275481232 in words is "two hundred seventy-five million, four hundred eighty-one thousand, two hundred thirty-two".