2260813 has 4 divisors (see below), whose sum is σ = 2393820. Its totient is φ = 2127808.

The previous prime is 2260801. The next prime is 2260823. The reversal of 2260813 is 3180622.

2260813 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3180622 = 2 ⋅1590311.

It can be written as a sum of positive squares in 2 ways, for example, as 813604 + 1447209 = 902^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 2260813 - 2⁹ = 2260301 is a prime.

It is a super-2 number, since 2×2260813² = 10222550841938, which contains 22 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 (2260823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66478 + ... + 66511.

It is an arithmetic number, because the mean of its divisors is an integer number (598455).

2^2260813 is an apocalyptic number.

It is an amenable number.

2260813 is a deficient number, since it is larger than the sum of its proper divisors (133007).

2260813 is a wasteful number, since it uses less digits than its factorization.

2260813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133006.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2260813 is about 1503.6000133014. The cubic root of 2260813 is about 131.2466460216.

The spelling of 2260813 in words is "two million, two hundred sixty thousand, eight hundred thirteen".