2265539 has 8 divisors (see below), whose sum is σ = 2433888. Its totient is φ = 2101120.

The previous prime is 2265521. The next prime is 2265551. The reversal of 2265539 is 9355622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2265539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (304236).

2^2265539 is an apocalyptic number.

2265539 is a deficient number, since it is larger than the sum of its proper divisors (168349).

2265539 is a wasteful number, since it uses less digits than its factorization.

2265539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its digits is 16200, while the sum is 32.

The square root of 2265539 is about 1505.1707544329. The cubic root of 2265539 is about 131.3380349667.

The spelling of 2265539 in words is "two million, two hundred sixty-five thousand, five hundred thirty-nine".