63921201 has 8 divisors (see below), whose sum is σ = 85268064. Its totient is φ = 42594240.

The previous prime is 63921199. The next prime is 63921223. The reversal of 63921201 is 10212936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63921201 - 2¹ = 63921199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63921001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5950 + ... + 12776.

It is an arithmetic number, because the mean of its divisors is an integer number (10658508).

Almost surely, 2^63921201 is an apocalyptic number.

It is an amenable number.

63921201 is a deficient number, since it is larger than the sum of its proper divisors (21346863).

63921201 is a wasteful number, since it uses less digits than its factorization.

63921201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9951.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 63921201 is about 7995.0735456280. The cubic root of 63921201 is about 399.8357679955.

The spelling of 63921201 in words is "sixty-three million, nine hundred twenty-one thousand, two hundred one".