2058505 has 8 divisors (see below), whose sum is σ = 2478024. Its totient is φ = 1641600.

The previous prime is 2058473. The next prime is 2058541. The reversal of 2058505 is 5058502.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 2039184 = 139^2 + 1428^2 .

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

It is not a de Polignac number, because 2058505 - 2⁵ = 2058473 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8 and base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2058505.

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 7 ways as a sum of consecutive naturals, for example, 2325 + ... + 3085.

It is an arithmetic number, because the mean of its divisors is an integer number (309753).

2^2058505 is an apocalyptic number.

It is an amenable number.

2058505 is a deficient number, since it is larger than the sum of its proper divisors (419519).

2058505 is an equidigital number, since it uses as much as digits as its factorization.

2058505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2058505 is about 1434.7491069870. The cubic root of 2058505 is about 127.2088447959.

The spelling of 2058505 in words is "two million, fifty-eight thousand, five hundred five".