63043903 has 4 divisors (see below), whose sum is σ = 67893448. Its totient is φ = 58194360.

The previous prime is 63043901. The next prime is 63043907. The reversal of 63043903 is 30934036.

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 63043903 - 2¹ = 63043901 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 (63043901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424753 + ... + 2424778.

It is an arithmetic number, because the mean of its divisors is an integer number (16973362).

Almost surely, 2^63043903 is an apocalyptic number.

63043903 is a deficient number, since it is larger than the sum of its proper divisors (4849545).

63043903 is a wasteful number, since it uses less digits than its factorization.

63043903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849544.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 63043903 is about 7940.0190805816. The cubic root of 63043903 is about 397.9981292472.

Adding to 63043903 its reverse (30934036), we get a palindrome (93977939).

The spelling of 63043903 in words is "sixty-three million, forty-three thousand, nine hundred three".