172252533 has 8 divisors (see below), whose sum is σ = 229737568. Its totient is φ = 114801264.

The previous prime is 172252529. The next prime is 172252541. The reversal of 172252533 is 335252271.

It is a happy number.

172252533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172252533 - 2² = 172252529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 172252533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172252583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8091 + ... + 20247.

It is an arithmetic number, because the mean of its divisors is an integer number (28717196).

Almost surely, 2^172252533 is an apocalyptic number.

It is an amenable number.

172252533 is a deficient number, since it is larger than the sum of its proper divisors (57485035).

172252533 is a wasteful number, since it uses less digits than its factorization.

172252533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16883.

The product of its digits is 12600, while the sum is 30.

The square root of 172252533 is about 13124.5012476665. The cubic root of 172252533 is about 556.4018162729.

The spelling of 172252533 in words is "one hundred seventy-two million, two hundred fifty-two thousand, five hundred thirty-three".