3082813 has 4 divisors (see below), whose sum is σ = 3088188. Its totient is φ = 3077440.

The previous prime is 3082801. The next prime is 3082841. The reversal of 3082813 is 3182803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1172889 + 1909924 = 1083^2 + 1382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3082813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3082843) 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, 1708 + ... + 3013.

It is an arithmetic number, because the mean of its divisors is an integer number (772047).

Almost surely, 2^3082813 is an apocalyptic number.

It is an amenable number.

3082813 is a deficient number, since it is larger than the sum of its proper divisors (5375).

3082813 is an equidigital number, since it uses as much as digits as its factorization.

3082813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3082813 is about 1755.7941223276. The cubic root of 3082813 is about 145.5400078138.

The spelling of 3082813 in words is "three million, eighty-two thousand, eight hundred thirteen".