6464003 has 16 divisors (see below), whose sum is σ = 8015616. Its totient is φ = 5076000.

The previous prime is 6463999. The next prime is 6464021. The reversal of 6464003 is 3004646.

It is a cyclic number.

It is not a de Polignac number, because 6464003 - 2² = 6463999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6464003.

It is not an unprimeable number, because it can be changed into a prime (6464083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22700 + ... + 22982.

It is an arithmetic number, because the mean of its divisors is an integer number (500976).

Almost surely, 2^6464003 is an apocalyptic number.

6464003 is a deficient number, since it is larger than the sum of its proper divisors (1551613).

6464003 is a wasteful number, since it uses less digits than its factorization.

6464003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6464003 is about 2542.4403631157. The cubic root of 6464003 is about 186.2804091303.

Adding to 6464003 its reverse (3004646), we get a palindrome (9468649).

The spelling of 6464003 in words is "six million, four hundred sixty-four thousand, three".