275265252 has 72 divisors (see below), whose sum is σ = 717345720. Its totient is φ = 88957440.

The previous prime is 275265197. The next prime is 275265259. The reversal of 275265252 is 252562572.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59351616 + 215913636 = 7704^2 + 14694^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (275265259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169002 + ... + 170622.

It is an arithmetic number, because the mean of its divisors is an integer number (9963135).

Almost surely, 2^275265252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275265252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358672860).

275265252 is an abundant number, since it is smaller than the sum of its proper divisors (442080468).

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

275265252 is a wasteful number, since it uses less digits than its factorization.

275265252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773 (or 1768 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 275265252 is about 16591.1196728853. The cubic root of 275265252 is about 650.5047377428.

The spelling of 275265252 in words is "two hundred seventy-five million, two hundred sixty-five thousand, two hundred fifty-two".