2173039 has 6 divisors (see below), whose sum is σ = 2388680. Its totient is φ = 1975380.

The previous prime is 2173033. The next prime is 2173043. The reversal of 2173039 is 9303712.

It is not a de Polignac number, because 2173039 - 2¹⁷ = 2041967 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 7⁵ + 3 + 0 + 3³ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8859 + ... + 9100.

2^2173039 is an apocalyptic number.

2173039 is a deficient number, since it is larger than the sum of its proper divisors (215641).

2173039 is a wasteful number, since it uses less digits than its factorization.

2173039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981 (or 17970 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 2173039 is about 1474.1231291856. The cubic root of 2173039 is about 129.5256678548.

The spelling of 2173039 in words is "two million, one hundred seventy-three thousand, thirty-nine".