64003103 has 4 divisors (see below), whose sum is σ = 64019880. Its totient is φ = 63986328.

The previous prime is 64003097. The next prime is 64003111. The reversal of 64003103 is 30130046.

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 64003103 - 2¹⁶ = 63937567 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 (64003123) 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, 413 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (16004970).

Almost surely, 2^64003103 is an apocalyptic number.

64003103 is a deficient number, since it is larger than the sum of its proper divisors (16777).

64003103 is a wasteful number, since it uses less digits than its factorization.

64003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 64003103 is about 8000.1939351493. The cubic root of 64003103 is about 400.0064644789.

Adding to 64003103 its reverse (30130046), we get a palindrome (94133149).

The spelling of 64003103 in words is "sixty-four million, three thousand, one hundred three".