172033533 has 12 divisors (see below), whose sum is σ = 283991968. Its totient is φ = 98304840.

The previous prime is 172033507. The next prime is 172033541. The reversal of 172033533 is 335330271.

It is not a de Polignac number, because 172033533 - 2¹² = 172029437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172033497 and 172033506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172033033) 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 11 ways as a sum of consecutive naturals, for example, 1365283 + ... + 1365408.

Almost surely, 2^172033533 is an apocalyptic number.

It is an amenable number.

172033533 is a deficient number, since it is larger than the sum of its proper divisors (111958435).

172033533 is a wasteful number, since it uses less digits than its factorization.

172033533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730704 (or 2730701 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 172033533 is about 13116.1554199392. The cubic root of 172033533 is about 556.1659151948.

It can be divided in two parts, 17203 and 3533, that added together give a 4-th power (20736 = 12⁴).

The spelling of 172033533 in words is "one hundred seventy-two million, thirty-three thousand, five hundred thirty-three".