2175913 has 4 divisors (see below), whose sum is σ = 2179408. Its totient is φ = 2172420.

The previous prime is 2175907. The next prime is 2175917. The reversal of 2175913 is 3195712.

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 2175913 - 2¹⁷ = 2044841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2175917) 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, 531 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (544852).

2^2175913 is an apocalyptic number.

It is an amenable number.

2175913 is a deficient number, since it is larger than the sum of its proper divisors (3495).

2175913 is an equidigital number, since it uses as much as digits as its factorization.

2175913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494.

The product of its digits is 1890, while the sum is 28.

The square root of 2175913 is about 1475.0976238880. The cubic root of 2175913 is about 129.5827450291.

The spelling of 2175913 in words is "two million, one hundred seventy-five thousand, nine hundred thirteen".