2345813 has 6 divisors (see below), whose sum is σ = 2492226. Its totient is φ = 2207552.

The previous prime is 2345809. The next prime is 2345831. The reversal of 2345813 is 3185432.

It can be written as a sum of positive squares in 3 ways, for example, as 1495729 + 850084 = 1223^2 + 922^2 .

It is not a de Polignac number, because 2345813 - 2² = 2345809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3770 + ... + 4347.

It is an arithmetic number, because the mean of its divisors is an integer number (415371).

2^2345813 is an apocalyptic number.

It is an amenable number.

2345813 is a deficient number, since it is larger than the sum of its proper divisors (146413).

2345813 is an equidigital number, since it uses as much as digits as its factorization.

2345813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151 (or 8134 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 2345813 is about 1531.6047140173. The cubic root of 2345813 is about 132.8712833118.

The spelling of 2345813 in words is "two million, three hundred forty-five thousand, eight hundred thirteen".