275215252 has 24 divisors (see below), whose sum is σ = 520850792. Its totient is φ = 126489600.

The previous prime is 275215243. The next prime is 275215253. The reversal of 275215252 is 252512572.

It can be written as a sum of positive squares in 4 ways, for example, as 59536656 + 215678596 = 7716^2 + 14686^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275215253) 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, 1552 + ... + 23512.

Almost surely, 2^275215252 is an apocalyptic number.

It is an amenable number.

275215252 is a deficient number, since it is larger than the sum of its proper divisors (245635540).

275215252 is a wasteful number, since it uses less digits than its factorization.

275215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22219 (or 22217 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 275215252 is about 16589.6127742633. The cubic root of 275215252 is about 650.4653488187.

The spelling of 275215252 in words is "two hundred seventy-five million, two hundred fifteen thousand, two hundred fifty-two".