63536851 has 4 divisors (see below), whose sum is σ = 72613552. Its totient is φ = 54460152.

The previous prime is 63536821. The next prime is 63536857. The reversal of 63536851 is 15863536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63536851 - 2⁵ = 63536819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63536851.

It is not an unprimeable number, because it can be changed into a prime (63536857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538340 + ... + 4538353.

It is an arithmetic number, because the mean of its divisors is an integer number (18153388).

Almost surely, 2^63536851 is an apocalyptic number.

63536851 is a deficient number, since it is larger than the sum of its proper divisors (9076701).

63536851 is an equidigital number, since it uses as much as digits as its factorization.

63536851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076700.

The product of its digits is 64800, while the sum is 37.

The square root of 63536851 is about 7971.0006272738. Note that the first 3 decimals coincide. The cubic root of 63536851 is about 399.0327692971.

The spelling of 63536851 in words is "sixty-three million, five hundred thirty-six thousand, eight hundred fifty-one".