9090013 has 2 divisors, whose sum is σ = 9090014. Its totient is φ = 9090012.

The previous prime is 9090007. The next prime is 9090017. The reversal of 9090013 is 3100909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5299204 + 3790809 = 2302^2 + 1947^2 .

It is a cyclic number.

It is not a de Polignac number, because 9090013 - 2⁵ = 9089981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9090017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545006 + 4545007.

It is an arithmetic number, because the mean of its divisors is an integer number (4545007).

Almost surely, 2^9090013 is an apocalyptic number.

It is an amenable number.

9090013 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090013 is an equidigital number, since it uses as much as digits as its factorization.

9090013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 9090013 is about 3014.9648422494. The cubic root of 9090013 is about 208.6995446203.

The spelling of 9090013 in words is "nine million, ninety thousand, thirteen".