63581043 has 8 divisors (see below), whose sum is σ = 84815248. Its totient is φ = 42367104.

The previous prime is 63581009. The next prime is 63581053. The reversal of 63581043 is 34018536.

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

It is not a de Polignac number, because 63581043 - 2¹⁴ = 63564659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63581043.

It is not an unprimeable number, because it can be changed into a prime (63581053) 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, 5271 + ... + 12447.

It is an arithmetic number, because the mean of its divisors is an integer number (10601906).

Almost surely, 2^63581043 is an apocalyptic number.

63581043 is a deficient number, since it is larger than the sum of its proper divisors (21234205).

63581043 is a wasteful number, since it uses less digits than its factorization.

63581043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 63581043 is about 7973.7721938867. The cubic root of 63581043 is about 399.1252613920.

Adding to 63581043 its reverse (34018536), we get a palindrome (97599579).

The spelling of 63581043 in words is "sixty-three million, five hundred eighty-one thousand, forty-three".