2058605 has 4 divisors (see below), whose sum is σ = 2470332. Its totient is φ = 1646880.

The previous prime is 2058599. The next prime is 2058607. The reversal of 2058605 is 5068502.

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 1408969 + 649636 = 1187^2 + 806^2 .

It is not a de Polignac number, because 2058605 - 2⁶ = 2058541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058607) 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, 205856 + ... + 205865.

It is an arithmetic number, because the mean of its divisors is an integer number (617583).

2^2058605 is an apocalyptic number.

It is an amenable number.

2058605 is a deficient number, since it is larger than the sum of its proper divisors (411727).

2058605 is an equidigital number, since it uses as much as digits as its factorization.

2058605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411726.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2058605 is about 1434.7839558623. The cubic root of 2058605 is about 127.2109046530.

The spelling of 2058605 in words is "two million, fifty-eight thousand, six hundred five".