275309082 has 48 divisors (see below), whose sum is σ = 614615040. Its totient is φ = 88999776.

The previous prime is 275309071. The next prime is 275309123. The reversal of 275309082 is 280903572.

It is a happy number.

275309082 is a `hidden beast` number, since 275 + 309 + 0 + 82 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318583 + ... + 319445.

It is an arithmetic number, because the mean of its divisors is an integer number (12804480).

Almost surely, 2^275309082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275309082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307307520).

275309082 is an abundant number, since it is smaller than the sum of its proper divisors (339305958).

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

275309082 is a wasteful number, since it uses less digits than its factorization.

275309082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 275309082 is about 16592.4405076529. The cubic root of 275309082 is about 650.5392621507.

The spelling of 275309082 in words is "two hundred seventy-five million, three hundred nine thousand, eighty-two".