9442813 has 2 divisors, whose sum is σ = 9442814. Its totient is φ = 9442812.

The previous prime is 9442799. The next prime is 9442847. The reversal of 9442813 is 3182449.

9442813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8282884 + 1159929 = 2878^2 + 1077^2 .

It is a cyclic number.

It is not a de Polignac number, because 9442813 - 2⁵ = 9442781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9442613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4721406 + 4721407.

It is an arithmetic number, because the mean of its divisors is an integer number (4721407).

Almost surely, 2^9442813 is an apocalyptic number.

It is an amenable number.

9442813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9442813 is an equidigital number, since it uses as much as digits as its factorization.

9442813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 9442813 is about 3072.9160418078. The cubic root of 9442813 is about 211.3653516112.

The spelling of 9442813 in words is "nine million, four hundred forty-two thousand, eight hundred thirteen".