9487913 has 2 divisors, whose sum is σ = 9487914. Its totient is φ = 9487912.

The previous prime is 9487871. The next prime is 9487939. The reversal of 9487913 is 3197849.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4959529 + 4528384 = 2227^2 + 2128^2 .

It is an emirp because it is prime and its reverse (3197849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9487913 - 2⁸ = 9487657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9487963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4743956 + 4743957.

It is an arithmetic number, because the mean of its divisors is an integer number (4743957).

Almost surely, 2^9487913 is an apocalyptic number.

It is an amenable number.

9487913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9487913 is an equidigital number, since it uses as much as digits as its factorization.

9487913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 9487913 is about 3080.2456070904. The cubic root of 9487913 is about 211.7013193381.

Subtracting from 9487913 its reverse (3197849), we obtain a square (6290064 = 2508²).

The spelling of 9487913 in words is "nine million, four hundred eighty-seven thousand, nine hundred thirteen".