275189530 has 32 divisors (see below), whose sum is σ = 617569920. Its totient is φ = 85773120.

The previous prime is 275189527. The next prime is 275189531. The reversal of 275189530 is 35981572.

It is not an unprimeable number, because it can be changed into a prime (275189531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177925 + ... + 179464.

It is an arithmetic number, because the mean of its divisors is an integer number (19299060).

Almost surely, 2^275189530 is an apocalyptic number.

275189530 is an abundant number, since it is smaller than the sum of its proper divisors (342380390).

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

275189530 is a wasteful number, since it uses less digits than its factorization.

275189530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357414.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 275189530 is about 16588.8375120139. The cubic root of 275189530 is about 650.4450837221.

The spelling of 275189530 in words is "two hundred seventy-five million, one hundred eighty-nine thousand, five hundred thirty".