2094581 has 4 divisors (see below), whose sum is σ = 2100000. Its totient is φ = 2089164.

The previous prime is 2094569. The next prime is 2094601. The reversal of 2094581 is 1854902.

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 2094581 - 2¹⁰ = 2093557 is a prime.

It is a super-2 number, since 2×2094581² = 8774539131122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2094551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (525000).

2^2094581 is an apocalyptic number.

It is an amenable number.

2094581 is a deficient number, since it is larger than the sum of its proper divisors (5419).

2094581 is an equidigital number, since it uses as much as digits as its factorization.

2094581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2094581 is about 1447.2667342270. The cubic root of 2094581 is about 127.9476714812.

The spelling of 2094581 in words is "two million, ninety-four thousand, five hundred eighty-one".