535665320 has 32 divisors (see below), whose sum is σ = 1206057600. Its totient is φ = 214122048.

The previous prime is 535665311. The next prime is 535665343. The reversal of 535665320 is 23566535.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71597 + ... + 78723.

It is an arithmetic number, because the mean of its divisors is an integer number (37689300).

Almost surely, 2^535665320 is an apocalyptic number.

It is an amenable number.

535665320 is an abundant number, since it is smaller than the sum of its proper divisors (670392280).

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

535665320 is a wasteful number, since it uses less digits than its factorization.

535665320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017 (or 9013 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 535665320 is about 23144.4446898170. Note that the first 3 decimals coincide. The cubic root of 535665320 is about 812.1405153706.

The spelling of 535665320 in words is "five hundred thirty-five million, six hundred sixty-five thousand, three hundred twenty".