2263591 has 12 divisors (see below), whose sum is σ = 2588040. Its totient is φ = 1963280.

The previous prime is 2263579. The next prime is 2263619. The reversal of 2263591 is 1953622.

It is not a de Polignac number, because 2263591 - 2⁵ = 2263559 is a prime.

It is a super-3 number, since 3×2263591³ = 34794862953336402213, which contains 333 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 (2263531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5625 + ... + 6013.

It is an arithmetic number, because the mean of its divisors is an integer number (215670).

2^2263591 is an apocalyptic number.

2263591 is a deficient number, since it is larger than the sum of its proper divisors (324449).

2263591 is a wasteful number, since it uses less digits than its factorization.

2263591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 423 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 2263591 is about 1504.5235126112. The cubic root of 2263591 is about 131.3003809609.

The spelling of 2263591 in words is "two million, two hundred sixty-three thousand, five hundred ninety-one".