63281982 has 16 divisors (see below), whose sum is σ = 129507840. Its totient is φ = 20603352.

The previous prime is 63281971. The next prime is 63282001. The reversal of 63281982 is 28918236.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 63281982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122382 + ... + 122897.

It is an arithmetic number, because the mean of its divisors is an integer number (8094240).

Almost surely, 2^63281982 is an apocalyptic number.

63281982 is an abundant number, since it is smaller than the sum of its proper divisors (66225858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63281982 is a wasteful number, since it uses less digits than its factorization.

63281982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245327.

The product of its digits is 41472, while the sum is 39.

The square root of 63281982 is about 7954.9972972968. The cubic root of 63281982 is about 398.4984999631.

The spelling of 63281982 in words is "sixty-three million, two hundred eighty-one thousand, nine hundred eighty-two".