2174045 has 8 divisors (see below), whose sum is σ = 2762424. Its totient is φ = 1636864.

The previous prime is 2174033. The next prime is 2174047. The reversal of 2174045 is 5404712.

It can be written as a sum of positive squares in 4 ways, for example, as 68644 + 2105401 = 262^2 + 1451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2174045 - 2⁶ = 2173981 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2174045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12704 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (345303).

2^2174045 is an apocalyptic number.

It is an amenable number.

2174045 is a deficient number, since it is larger than the sum of its proper divisors (588379).

2174045 is a wasteful number, since it uses less digits than its factorization.

2174045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25599.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2174045 is about 1474.4643095036. The cubic root of 2174045 is about 129.5456525734.

Adding to 2174045 its reverse (5404712), we get a palindrome (7578757).

The spelling of 2174045 in words is "two million, one hundred seventy-four thousand, forty-five".