64532603 has 4 divisors (see below), whose sum is σ = 64559880. Its totient is φ = 64505328.

The previous prime is 64532593. The next prime is 64532609. The reversal of 64532603 is 30623546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30623546 = 2 ⋅15311773.

It is a cyclic number.

It is not a de Polignac number, because 64532603 - 2²⁴ = 47755387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64532609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9713 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (16139970).

Almost surely, 2^64532603 is an apocalyptic number.

64532603 is a deficient number, since it is larger than the sum of its proper divisors (27277).

64532603 is a wasteful number, since it uses less digits than its factorization.

64532603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27276.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 64532603 is about 8033.2187197910. The cubic root of 64532603 is about 401.1065257626.

The spelling of 64532603 in words is "sixty-four million, five hundred thirty-two thousand, six hundred three".