2172633 has 4 divisors (see below), whose sum is σ = 2896848. Its totient is φ = 1448420.

The previous prime is 2172619. The next prime is 2172641. The reversal of 2172633 is 3362712.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2172633 - 2¹³ = 2164441 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2172613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362103 + ... + 362108.

It is an arithmetic number, because the mean of its divisors is an integer number (724212).

2^2172633 is an apocalyptic number.

It is an amenable number.

2172633 is a deficient number, since it is larger than the sum of its proper divisors (724215).

2172633 is an equidigital number, since it uses as much as digits as its factorization.

2172633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724214.

The product of its digits is 1512, while the sum is 24.

The square root of 2172633 is about 1473.9854137677. The cubic root of 2172633 is about 129.5176007045.

It can be divided in two parts, 217 and 2633, that added together give a triangular number (2850 = T₇₅).

The spelling of 2172633 in words is "two million, one hundred seventy-two thousand, six hundred thirty-three".