63351143 has 4 divisors (see below), whose sum is σ = 63705240. Its totient is φ = 62997048.

The previous prime is 63351137. The next prime is 63351151. The reversal of 63351143 is 34115336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63351143 - 2¹² = 63347047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63351133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176780 + ... + 177137.

It is an arithmetic number, because the mean of its divisors is an integer number (15926310).

Almost surely, 2^63351143 is an apocalyptic number.

63351143 is a deficient number, since it is larger than the sum of its proper divisors (354097).

63351143 is a wasteful number, since it uses less digits than its factorization.

63351143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354096.

The product of its digits is 3240, while the sum is 26.

The square root of 63351143 is about 7959.3431261631. The cubic root of 63351143 is about 398.6436203679.

Adding to 63351143 its reverse (34115336), we get a palindrome (97466479).

The spelling of 63351143 in words is "sixty-three million, three hundred fifty-one thousand, one hundred forty-three".