2263539 has 4 divisors (see below), whose sum is σ = 3018056. Its totient is φ = 1509024.

The previous prime is 2263531. The next prime is 2263553. The reversal of 2263539 is 9353622.

2263539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2263539 - 2³ = 2263531 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2263531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377254 + ... + 377259.

It is an arithmetic number, because the mean of its divisors is an integer number (754514).

2^2263539 is an apocalyptic number.

2263539 is a deficient number, since it is larger than the sum of its proper divisors (754517).

2263539 is an equidigital number, since it uses as much as digits as its factorization.

2263539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754516.

The product of its digits is 9720, while the sum is 30.

The square root of 2263539 is about 1504.5062312932. The cubic root of 2263539 is about 131.2993755272.

The spelling of 2263539 in words is "two million, two hundred sixty-three thousand, five hundred thirty-nine".