2172953 has 4 divisors (see below), whose sum is σ = 2186448. Its totient is φ = 2159460.

The previous prime is 2172949. The next prime is 2172967. The reversal of 2172953 is 3592712.

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 2172953 - 2² = 2172949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2172943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6503 + ... + 6828.

It is an arithmetic number, because the mean of its divisors is an integer number (546612).

2^2172953 is an apocalyptic number.

It is an amenable number.

2172953 is a deficient number, since it is larger than the sum of its proper divisors (13495).

2172953 is a wasteful number, since it uses less digits than its factorization.

2172953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13494.

The product of its digits is 3780, while the sum is 29.

The square root of 2172953 is about 1474.0939590135. The cubic root of 2172953 is about 129.5239591334.

It can be divided in two parts, 2172 and 953, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2172953 in words is "two million, one hundred seventy-two thousand, nine hundred fifty-three".