2173075 has 6 divisors (see below), whose sum is σ = 2694644. Its totient is φ = 1738440.

The previous prime is 2173051. The next prime is 2173079. The reversal of 2173075 is 5703712.

It is not a de Polignac number, because 2173075 - 2⁵ = 2173043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 86923 = 2173075 / (2 + 1 + 7 + 3 + 0 + 7 + 5).

It is a Duffinian number.

2173075 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2173079) 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, 43437 + ... + 43486.

2^2173075 is an apocalyptic number.

2173075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2173075 is a deficient number, since it is larger than the sum of its proper divisors (521569).

2173075 is an equidigital number, since it uses as much as digits as its factorization.

2173075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86933 (or 86928 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2173075 is about 1474.1353397840. The cubic root of 2173075 is about 129.5263831201.

Adding to 2173075 its reverse (5703712), we get a palindrome (7876787).

The spelling of 2173075 in words is "two million, one hundred seventy-three thousand, seventy-five".