63102021 has 8 divisors (see below), whose sum is σ = 88564320. Its totient is φ = 39853872.

The previous prime is 63101989. The next prime is 63102037. The reversal of 63102021 is 12020136.

63102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 63102021 - 2⁵ = 63101989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63102071) 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 7 ways as a sum of consecutive naturals, for example, 553470 + ... + 553583.

It is an arithmetic number, because the mean of its divisors is an integer number (11070540).

Almost surely, 2^63102021 is an apocalyptic number.

It is an amenable number.

63102021 is a deficient number, since it is larger than the sum of its proper divisors (25462299).

63102021 is a wasteful number, since it uses less digits than its factorization.

63102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107075.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 63102021 is about 7943.6780523886. The cubic root of 63102021 is about 398.1203919349.

Adding to 63102021 its reverse (12020136), we get a palindrome (75122157).

The spelling of 63102021 in words is "sixty-three million, one hundred two thousand, twenty-one".