7995563 has 2 divisors, whose sum is σ = 7995564. Its totient is φ = 7995562.

The previous prime is 7995557. The next prime is 7995571. The reversal of 7995563 is 3655997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7995563 - 2²⁰ = 6946987 is a prime.

It is not a weakly prime, because it can be changed into another prime (7995553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997781 + 3997782.

It is an arithmetic number, because the mean of its divisors is an integer number (3997782).

Almost surely, 2^7995563 is an apocalyptic number.

7995563 is a deficient number, since it is larger than the sum of its proper divisors (1).

7995563 is an equidigital number, since it uses as much as digits as its factorization.

7995563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 255150, while the sum is 44.

The square root of 7995563 is about 2827.6426577628. The cubic root of 7995563 is about 199.9630181621.

It can be divided in two parts, 7995 and 563, that added together give a palindrome (8558).

The spelling of 7995563 in words is "seven million, nine hundred ninety-five thousand, five hundred sixty-three".