9538913 has 2 divisors, whose sum is σ = 9538914. Its totient is φ = 9538912.

The previous prime is 9538897. The next prime is 9538981. The reversal of 9538913 is 3198359.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5650129 + 3888784 = 2377^2 + 1972^2 .

It is an emirp because it is prime and its reverse (3198359) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9538913 - 2⁴ = 9538897 is a prime.

It is a super-2 number, since 2×9538913² = 181981722443138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9534913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4769456 + 4769457.

It is an arithmetic number, because the mean of its divisors is an integer number (4769457).

Almost surely, 2^9538913 is an apocalyptic number.

It is an amenable number.

9538913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9538913 is an equidigital number, since it uses as much as digits as its factorization.

9538913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 9538913 is about 3088.5130726613. The cubic root of 9538913 is about 212.0799582691.

The spelling of 9538913 in words is "nine million, five hundred thirty-eight thousand, nine hundred thirteen".