9361591 has 2 divisors, whose sum is σ = 9361592. Its totient is φ = 9361590.

The previous prime is 9361531. The next prime is 9361603. The reversal of 9361591 is 1951639.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9361591 - 2¹¹ = 9359543 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9361531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4680795 + 4680796.

It is an arithmetic number, because the mean of its divisors is an integer number (4680796).

Almost surely, 2^9361591 is an apocalyptic number.

9361591 is a deficient number, since it is larger than the sum of its proper divisors (1).

9361591 is an equidigital number, since it uses as much as digits as its factorization.

9361591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 34.

The square root of 9361591 is about 3059.6717144164. The cubic root of 9361591 is about 210.7575886818.

The spelling of 9361591 in words is "nine million, three hundred sixty-one thousand, five hundred ninety-one".