9002813 has 2 divisors, whose sum is σ = 9002814. Its totient is φ = 9002812.

The previous prime is 9002801. The next prime is 9002831. The reversal of 9002813 is 3182009.

Together with next prime (9002831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5968249 + 3034564 = 2443^2 + 1742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9002813 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9002863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4501406 + 4501407.

It is an arithmetic number, because the mean of its divisors is an integer number (4501407).

Almost surely, 2^9002813 is an apocalyptic number.

It is an amenable number.

9002813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9002813 is an equidigital number, since it uses as much as digits as its factorization.

9002813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 9002813 is about 3000.4687967049. The cubic root of 9002813 is about 208.0300514396.

The spelling of 9002813 in words is "nine million, two thousand, eight hundred thirteen".