2085541 has 4 divisors (see below), whose sum is σ = 2110752. Its totient is φ = 2060332.

The previous prime is 2085539. The next prime is 2085569. The reversal of 2085541 is 1455802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2085541 - 2¹ = 2085539 is a prime.

It is a Duffinian number.

2085541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12481 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (527688).

2^2085541 is an apocalyptic number.

It is an amenable number.

2085541 is a deficient number, since it is larger than the sum of its proper divisors (25211).

2085541 is an equidigital number, since it uses as much as digits as its factorization.

2085541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25210.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2085541 is about 1444.1402286482. The cubic root of 2085541 is about 127.7633362941.

The spelling of 2085541 in words is "two million, eighty-five thousand, five hundred forty-one".