533645329 has 12 divisors (see below), whose sum is σ = 621838308. Its totient is φ = 456624000.

The previous prime is 533645309. The next prime is 533645353. The reversal of 533645329 is 923546335.

It can be written as a sum of positive squares in 2 ways, for example, as 324900625 + 208744704 = 18025^2 + 14448^2 .

It is not a de Polignac number, because 533645329 - 2⁵ = 533645297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 533645291 and 533645300.

It is not an unprimeable number, because it can be changed into a prime (533645309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20389 + ... + 38509.

It is an arithmetic number, because the mean of its divisors is an integer number (51819859).

Almost surely, 2^533645329 is an apocalyptic number.

It is an amenable number.

533645329 is a deficient number, since it is larger than the sum of its proper divisors (88192979).

533645329 is a wasteful number, since it uses less digits than its factorization.

533645329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18736 (or 18729 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

The square root of 533645329 is about 23100.7646843129. The cubic root of 533645329 is about 811.1183703061.

The spelling of 533645329 in words is "five hundred thirty-three million, six hundred forty-five thousand, three hundred twenty-nine".