9713591 has 2 divisors, whose sum is σ = 9713592. Its totient is φ = 9713590.

The previous prime is 9713569. The next prime is 9713623. The reversal of 9713591 is 1953179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9713591 - 2⁶ = 9713527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9713531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856795 + 4856796.

It is an arithmetic number, because the mean of its divisors is an integer number (4856796).

Almost surely, 2^9713591 is an apocalyptic number.

9713591 is a deficient number, since it is larger than the sum of its proper divisors (1).

9713591 is an equidigital number, since it uses as much as digits as its factorization.

9713591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8505, while the sum is 35.

The square root of 9713591 is about 3116.6634402835. The cubic root of 9713591 is about 213.3666823407.

The spelling of 9713591 in words is "nine million, seven hundred thirteen thousand, five hundred ninety-one".