7963591 has 2 divisors, whose sum is σ = 7963592. Its totient is φ = 7963590.

The previous prime is 7963577. The next prime is 7963597. The reversal of 7963591 is 1953697.

It is a strong prime.

It is an emirp because it is prime and its reverse (1953697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7963591 - 2⁹ = 7963079 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7963597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3981795 + 3981796.

It is an arithmetic number, because the mean of its divisors is an integer number (3981796).

Almost surely, 2^7963591 is an apocalyptic number.

7963591 is a deficient number, since it is larger than the sum of its proper divisors (1).

7963591 is an equidigital number, since it uses as much as digits as its factorization.

7963591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 7963591 is about 2821.9835222765. The cubic root of 7963591 is about 199.6961302163.

The spelling of 7963591 in words is "seven million, nine hundred sixty-three thousand, five hundred ninety-one".