2085745 has 8 divisors (see below), whose sum is σ = 2519784. Its totient is φ = 1657344.

The previous prime is 2085739. The next prime is 2085757. The reversal of 2085745 is 5475802.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 1912689 = 416^2 + 1383^2 .

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 2085745 - 2³ = 2085737 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 8³ + 5 + 7 + 4⁵ + 5⁹ .

It is a Duffinian number.

2085745 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (314973).

2^2085745 is an apocalyptic number.

It is an amenable number.

2085745 is a deficient number, since it is larger than the sum of its proper divisors (434039).

2085745 is a wasteful number, since it uses less digits than its factorization.

2085745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2085745 is about 1444.2108571812. The cubic root of 2085745 is about 127.7675019392.

It can be divided in two parts, 20857 and 45, that added together give a palindrome (20902).

The spelling of 2085745 in words is "two million, eighty-five thousand, seven hundred forty-five".