64560003 has 8 divisors (see below), whose sum is σ = 89048400. Its totient is φ = 41555808.

The previous prime is 64559987. The next prime is 64560007. The reversal of 64560003 is 30006546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64560003 - 2⁴ = 64559987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64560007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370948 + ... + 371121.

It is an arithmetic number, because the mean of its divisors is an integer number (11131050).

Almost surely, 2^64560003 is an apocalyptic number.

64560003 is a deficient number, since it is larger than the sum of its proper divisors (24488397).

64560003 is a wasteful number, since it uses less digits than its factorization.

64560003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742101.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 64560003 is about 8034.9239573253. The cubic root of 64560003 is about 401.1632865481.

Adding to 64560003 its reverse (30006546), we get a palindrome (94566549).

The spelling of 64560003 in words is "sixty-four million, five hundred sixty thousand, three".