2265829 has 4 divisors (see below), whose sum is σ = 2270700. Its totient is φ = 2260960.

The previous prime is 2265797. The next prime is 2265841. The reversal of 2265829 is 9285622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9285622 = 2 ⋅4642811.

It can be written as a sum of positive squares in 2 ways, for example, as 277729 + 1988100 = 527^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2265829 - 2⁵ = 2265797 is a prime.

It is a Duffinian number.

2265829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2265794 and 2265803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (567675).

2^2265829 is an apocalyptic number.

It is an amenable number.

2265829 is a deficient number, since it is larger than the sum of its proper divisors (4871).

2265829 is an equidigital number, since it uses as much as digits as its factorization.

2265829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870.

The product of its digits is 17280, while the sum is 34.

The square root of 2265829 is about 1505.2670859353. The cubic root of 2265829 is about 131.3436386965.

The spelling of 2265829 in words is "two million, two hundred sixty-five thousand, eight hundred twenty-nine".