63659 has 2 divisors, whose sum is σ = 63660. Its totient is φ = 63658.

The previous prime is 63649. The next prime is 63667. The reversal of 63659 is 95636.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63659 is a prime.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 63659.

It is not a weakly prime, because it can be changed into another prime (63629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31829 + 31830.

It is an arithmetic number, because the mean of its divisors is an integer number (31830).

2⁶³⁶⁵⁹ is an apocalyptic number.

63659 is a deficient number, since it is larger than the sum of its proper divisors (1).

63659 is an equidigital number, since it uses as much as digits as its factorization.

63659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 29.

The square root of 63659 is about 252.3073522512. The cubic root of 63659 is about 39.9288317856.

The spelling of 63659 in words is "sixty-three thousand, six hundred fifty-nine".