2265913 has 8 divisors (see below), whose sum is σ = 2584008. Its totient is φ = 1968384.

The previous prime is 2265911. The next prime is 2265941. The reversal of 2265913 is 3195622.

It can be written as a sum of positive squares in 4 ways, for example, as 36864 + 2229049 = 192^2 + 1493^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2265913 - 2¹ = 2265911 is a prime.

It is a Duffinian number.

2265913 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265911) 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, 4906 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (323001).

2^2265913 is an apocalyptic number.

It is an amenable number.

2265913 is a deficient number, since it is larger than the sum of its proper divisors (318095).

2265913 is a wasteful number, since it uses less digits than its factorization.

2265913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283.

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

The square root of 2265913 is about 1505.2949877017. The cubic root of 2265913 is about 131.3452617565.

The spelling of 2265913 in words is "two million, two hundred sixty-five thousand, nine hundred thirteen".