63331242 has 32 divisors (see below), whose sum is σ = 137773440. Its totient is φ = 19291200.

The previous prime is 63331187. The next prime is 63331253. The reversal of 63331242 is 24213336.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3859 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (4305420).

Almost surely, 2^63331242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63331242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68886720).

63331242 is an abundant number, since it is smaller than the sum of its proper divisors (74442198).

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

63331242 is a wasteful number, since it uses less digits than its factorization.

63331242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158.

The product of its digits is 2592, while the sum is 24.

The square root of 63331242 is about 7958.0928619865. The cubic root of 63331242 is about 398.6018729624.

Adding to 63331242 its reverse (24213336), we get a palindrome (87544578).

The spelling of 63331242 in words is "sixty-three million, three hundred thirty-one thousand, two hundred forty-two".