63611 has 2 divisors, whose sum is σ = 63612. Its totient is φ = 63610.

The previous prime is 63607. The next prime is 63617. The reversal of 63611 is 11636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63611 - 2² = 63607 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63611.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 63611.

It is not a weakly prime, because it can be changed into another prime (63617) 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, 31805 + 31806.

It is an arithmetic number, because the mean of its divisors is an integer number (31806).

2⁶³⁶¹¹ is an apocalyptic number.

63611 is a deficient number, since it is larger than the sum of its proper divisors (1).

63611 is an equidigital number, since it uses as much as digits as its factorization.

63611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 17.

The square root of 63611 is about 252.2122122341. The cubic root of 63611 is about 39.9187935828.

It can be divided in two parts, 636 and 11, that multiplied together give a palindrome (6996).

The spelling of 63611 in words is "sixty-three thousand, six hundred eleven".