64603 has 8 divisors (see below), whose sum is σ = 80640. Its totient is φ = 50280.

The previous prime is 64601. The next prime is 64609. The reversal of 64603 is 30646.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64603 - 2¹ = 64601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64601) 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 7 ways as a sum of consecutive naturals, for example, 343 + ... + 496.

It is an arithmetic number, because the mean of its divisors is an integer number (10080).

2⁶⁴⁶⁰³ is an apocalyptic number.

64603 is a deficient number, since it is larger than the sum of its proper divisors (16037).

64603 is a wasteful number, since it uses less digits than its factorization.

64603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 64603 is about 254.1712021453. The cubic root of 64603 is about 40.1252325113.

The spelling of 64603 in words is "sixty-four thousand, six hundred three".