64103 has 4 divisors (see below), whose sum is σ = 69048. Its totient is φ = 59160.

The previous prime is 64091. The next prime is 64109. The reversal of 64103 is 30146.

Added to its reverse (30146) it gives a square (94249 = 307²).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30146 = 2 ⋅15073.

It is a cyclic number.

It is not a de Polignac number, because 64103 - 2¹⁰ = 63079 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 (64109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2453 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (17262).

2⁶⁴¹⁰³ is an apocalyptic number.

64103 is a deficient number, since it is larger than the sum of its proper divisors (4945).

64103 is a wasteful number, since it uses less digits than its factorization.

64103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 64103 is about 253.1857025979. The cubic root of 64103 is about 40.0214468321.

Adding to 64103 its reverse (30146), we get a palindrome (94249).

The spelling of 64103 in words is "sixty-four thousand, one hundred three".