535608321 has 16 divisors (see below), whose sum is σ = 720057600. Its totient is φ = 354128768.

The previous prime is 535608317. The next prime is 535608323. The reversal of 535608321 is 123806535.

It is a cyclic number.

It is not a de Polignac number, because 535608321 - 2² = 535608317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (535608323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191485 + ... + 194261.

It is an arithmetic number, because the mean of its divisors is an integer number (45003600).

Almost surely, 2^535608321 is an apocalyptic number.

It is an amenable number.

535608321 is a deficient number, since it is larger than the sum of its proper divisors (184449279).

535608321 is a wasteful number, since it uses less digits than its factorization.

535608321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 535608321 is about 23143.2132816513. The cubic root of 535608321 is about 812.1117083042. Note that the first 3 decimals are identical.

It can be divided in two parts, 535 and 608321, that added together give a triangular number (608856 = T₁₁₀₃).

The spelling of 535608321 in words is "five hundred thirty-five million, six hundred eight thousand, three hundred twenty-one".