64203 has 4 divisors (see below), whose sum is σ = 85608. Its totient is φ = 42800.

The previous prime is 64189. The next prime is 64217. The reversal of 64203 is 30246.

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

It is an interprime number because it is at equal distance from previous prime (64189) and next prime (64217).

It is a cyclic number.

It is not a de Polignac number, because 64203 - 2⁴ = 64187 is a prime.

It is a D-number.

64203 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (64223) 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, 10698 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (21402).

2⁶⁴²⁰³ is an apocalyptic number.

64203 is a deficient number, since it is larger than the sum of its proper divisors (21405).

64203 is a wasteful number, since it uses less digits than its factorization.

64203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21404.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 64203 is about 253.3831091450. The cubic root of 64203 is about 40.0422470307.

Adding to 64203 its reverse (30246), we get a palindrome (94449).

The spelling of 64203 in words is "sixty-four thousand, two hundred three".