63442115 has 16 divisors (see below), whose sum is σ = 83746656. Its totient is φ = 46134880.

The previous prime is 63442109. The next prime is 63442123. The reversal of 63442115 is 51124436.

It is not a de Polignac number, because 63442115 - 2¹² = 63438019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889 + ... + 11421.

It is an arithmetic number, because the mean of its divisors is an integer number (5234166).

Almost surely, 2^63442115 is an apocalyptic number.

63442115 is a deficient number, since it is larger than the sum of its proper divisors (20304541).

63442115 is an equidigital number, since it uses as much as digits as its factorization.

63442115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571 (or 9549 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 63442115 is about 7965.0558692328. The cubic root of 63442115 is about 398.8343460099.

It can be divided in two parts, 634421 and 15, that added together give a palindrome (634436).

The spelling of 63442115 in words is "sixty-three million, four hundred forty-two thousand, one hundred fifteen".