63300981 has 8 divisors (see below), whose sum is σ = 85785184. Its totient is φ = 41508720.

The previous prime is 63300967. The next prime is 63301067. The reversal of 63300981 is 18900336.

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

It is not a de Polignac number, because 63300981 - 2¹¹ = 63298933 is a prime.

It is a super-2 number, since 2×63300981² = 8014028391124722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63300931) 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, 172771 + ... + 173136.

It is an arithmetic number, because the mean of its divisors is an integer number (10723148).

Almost surely, 2^63300981 is an apocalyptic number.

63300981 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63300981 is a deficient number, since it is larger than the sum of its proper divisors (22484203).

63300981 is a wasteful number, since it uses less digits than its factorization.

63300981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345971.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 63300981 is about 7956.1913627062. The cubic root of 63300981 is about 398.5383760606.

The spelling of 63300981 in words is "sixty-three million, three hundred thousand, nine hundred eighty-one".