3085813 has 2 divisors, whose sum is σ = 3085814. Its totient is φ = 3085812.

The previous prime is 3085793. The next prime is 3085843. The reversal of 3085813 is 3185803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 68644 = 1737^2 + 262^2 .

It is an emirp because it is prime and its reverse (3185803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3085813 - 2¹³ = 3077621 is a prime.

3085813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3085843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542906 + 1542907.

It is an arithmetic number, because the mean of its divisors is an integer number (1542907).

Almost surely, 2^3085813 is an apocalyptic number.

It is an amenable number.

3085813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085813 is an equidigital number, since it uses as much as digits as its factorization.

3085813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 3085813 is about 1756.6482288722. The cubic root of 3085813 is about 145.5872026399.

The spelling of 3085813 in words is "three million, eighty-five thousand, eight hundred thirteen".