2172533 has 8 divisors (see below), whose sum is σ = 2381376. Its totient is φ = 1965600.

The previous prime is 2172497. The next prime is 2172539. The reversal of 2172533 is 3352712.

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

It is a cyclic number.

It is not a de Polignac number, because 2172533 - 2¹⁰ = 2171509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2172499 and 2172508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172539) 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, 3128 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (297672).

2^2172533 is an apocalyptic number.

It is an amenable number.

2172533 is a deficient number, since it is larger than the sum of its proper divisors (208843).

2172533 is a wasteful number, since it uses less digits than its factorization.

2172533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its digits is 1260, while the sum is 23.

The square root of 2172533 is about 1473.9514917391. The cubic root of 2172533 is about 129.5156135674.

The spelling of 2172533 in words is "two million, one hundred seventy-two thousand, five hundred thirty-three".