63936231 has 4 divisors (see below), whose sum is σ = 85248312. Its totient is φ = 42624152.

The previous prime is 63936199. The next prime is 63936233. The reversal of 63936231 is 13263936.

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 63936231 - 2⁵ = 63936199 is a prime.

It is a super-2 number, since 2×63936231² = 8175683268970722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63936192 and 63936201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63936233) 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, 10656036 + ... + 10656041.

It is an arithmetic number, because the mean of its divisors is an integer number (21312078).

Almost surely, 2^63936231 is an apocalyptic number.

63936231 is a deficient number, since it is larger than the sum of its proper divisors (21312081).

63936231 is a wasteful number, since it uses less digits than its factorization.

63936231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21312080.

The product of its digits is 17496, while the sum is 33.

The square root of 63936231 is about 7996.0134442108. The cubic root of 63936231 is about 399.8671037680.

The spelling of 63936231 in words is "sixty-three million, nine hundred thirty-six thousand, two hundred thirty-one".