63531042 has 16 divisors (see below), whose sum is σ = 127140192. Its totient is φ = 21164000.

The previous prime is 63531031. The next prime is 63531053. The reversal of 63531042 is 24013536.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63531031) and next prime (63531053).

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 7 ways as a sum of consecutive naturals, for example, 17878 + ... + 21134.

It is an arithmetic number, because the mean of its divisors is an integer number (7946262).

Almost surely, 2^63531042 is an apocalyptic number.

63531042 is an abundant number, since it is smaller than the sum of its proper divisors (63609150).

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

63531042 is a wasteful number, since it uses less digits than its factorization.

63531042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 63531042 is about 7970.6362355837. The cubic root of 63531042 is about 399.0206081026.

Adding to 63531042 its reverse (24013536), we get a palindrome (87544578).

The spelling of 63531042 in words is "sixty-three million, five hundred thirty-one thousand, forty-two".