2072605 has 4 divisors (see below), whose sum is σ = 2487132. Its totient is φ = 1658080.

The previous prime is 2072579. The next prime is 2072617. The reversal of 2072605 is 5062702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 1229881 = 918^2 + 1109^2 .

It is not a de Polignac number, because 2072605 - 2⁵ = 2072573 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207256 + ... + 207265.

It is an arithmetic number, because the mean of its divisors is an integer number (621783).

2^2072605 is an apocalyptic number.

It is an amenable number.

2072605 is a deficient number, since it is larger than the sum of its proper divisors (414527).

2072605 is an equidigital number, since it uses as much as digits as its factorization.

2072605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414526.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2072605 is about 1439.6544724343. The cubic root of 2072605 is about 127.4986287178.

The spelling of 2072605 in words is "two million, seventy-two thousand, six hundred five".