63599 has 2 divisors, whose sum is σ = 63600. Its totient is φ = 63598.

The previous prime is 63589. The next prime is 63601. The reversal of 63599 is 99536.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63599 is a prime.

Together with 63601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31799 + 31800.

It is an arithmetic number, because the mean of its divisors is an integer number (31800).

2⁶³⁵⁹⁹ is an apocalyptic number.

63599 is a deficient number, since it is larger than the sum of its proper divisors (1).

63599 is an equidigital number, since it uses as much as digits as its factorization.

63599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 32.

The square root of 63599 is about 252.1884216216. The cubic root of 63599 is about 39.9162832432.

Subtracting 63599 from its reverse (99536), we obtain a cube (35937 = 33³).

The spelling of 63599 in words is "sixty-three thousand, five hundred ninety-nine".