63982537 has 4 divisors (see below), whose sum is σ = 64412100. Its totient is φ = 63552976.

The previous prime is 63982531. The next prime is 63982549. The reversal of 63982537 is 73528936.

63982537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10634121 + 53348416 = 3261^2 + 7304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63982537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63982493 and 63982502.

It is not an unprimeable number, because it can be changed into a prime (63982531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214558 + ... + 214855.

It is an arithmetic number, because the mean of its divisors is an integer number (16103025).

Almost surely, 2^63982537 is an apocalyptic number.

It is an amenable number.

63982537 is a deficient number, since it is larger than the sum of its proper divisors (429563).

63982537 is a wasteful number, since it uses less digits than its factorization.

63982537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429562.

The product of its digits is 272160, while the sum is 43.

The square root of 63982537 is about 7998.9084880376. The cubic root of 63982537 is about 399.9636154405.

The spelling of 63982537 in words is "sixty-three million, nine hundred eighty-two thousand, five hundred thirty-seven".