2295581 has 4 divisors (see below), whose sum is σ = 2369664. Its totient is φ = 2221500.

The previous prime is 2295569. The next prime is 2295583. The reversal of 2295581 is 1855922.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1855922 = 2 ⋅927961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2295581 is a prime.

It is a super-2 number, since 2×2295581² = 10539384255122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2295583) 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, 36995 + ... + 37056.

It is an arithmetic number, because the mean of its divisors is an integer number (592416).

2^2295581 is an apocalyptic number.

It is an amenable number.

2295581 is a deficient number, since it is larger than the sum of its proper divisors (74083).

2295581 is an equidigital number, since it uses as much as digits as its factorization.

2295581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74082.

The product of its digits is 7200, while the sum is 32.

The square root of 2295581 is about 1515.1174871936. The cubic root of 2295581 is about 131.9160201974.

The spelling of 2295581 in words is "two million, two hundred ninety-five thousand, five hundred eighty-one".