275486530 has 32 divisors (see below), whose sum is σ = 572780160. Its totient is φ = 94283520.

The previous prime is 275486521. The next prime is 275486531. The reversal of 275486530 is 35684572.

It is a super-2 number, since 2×275486530² = 151785656422881800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275486531) 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, 71790 + ... + 75529.

It is an arithmetic number, because the mean of its divisors is an integer number (17899380).

Almost surely, 2^275486530 is an apocalyptic number.

275486530 is an abundant number, since it is smaller than the sum of its proper divisors (297293630).

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

275486530 is a wasteful number, since it uses less digits than its factorization.

275486530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147354.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 275486530 is about 16597.7869006684. The cubic root of 275486530 is about 650.6789985490.

The spelling of 275486530 in words is "two hundred seventy-five million, four hundred eighty-six thousand, five hundred thirty".