7082813 has 2 divisors, whose sum is σ = 7082814. Its totient is φ = 7082812.

The previous prime is 7082809. The next prime is 7082833. The reversal of 7082813 is 3182807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4826809 + 2256004 = 2197^2 + 1502^2 .

It is an emirp because it is prime and its reverse (3182807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7082813 - 2² = 7082809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7082833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3541406 + 3541407.

It is an arithmetic number, because the mean of its divisors is an integer number (3541407).

Almost surely, 2^7082813 is an apocalyptic number.

It is an amenable number.

7082813 is a deficient number, since it is larger than the sum of its proper divisors (1).

7082813 is an equidigital number, since it uses as much as digits as its factorization.

7082813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7082813 is about 2661.3554817048. The cubic root of 7082813 is about 192.0445227333.

The spelling of 7082813 in words is "seven million, eighty-two thousand, eight hundred thirteen".