63527983 has 4 divisors (see below), whose sum is σ = 65077488. Its totient is φ = 61978480.

The previous prime is 63527977. The next prime is 63527987. The reversal of 63527983 is 38972536.

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 63527983 - 2²⁵ = 29973551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63527987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774691 + ... + 774772.

It is an arithmetic number, because the mean of its divisors is an integer number (16269372).

Almost surely, 2^63527983 is an apocalyptic number.

63527983 is a deficient number, since it is larger than the sum of its proper divisors (1549505).

63527983 is a wasteful number, since it uses less digits than its factorization.

63527983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549504.

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

The square root of 63527983 is about 7970.4443414404. Note that the first 3 decimals coincide. The cubic root of 63527983 is about 399.0142037602.

The spelling of 63527983 in words is "sixty-three million, five hundred twenty-seven thousand, nine hundred eighty-three".