64534603 has 4 divisors (see below), whose sum is σ = 73753840. Its totient is φ = 55315368.

The previous prime is 64534579. The next prime is 64534607. The reversal of 64534603 is 30643546.

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

It is a cyclic number.

It is not a de Polignac number, because 64534603 - 2¹³ = 64526411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64534607) 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, 4609608 + ... + 4609621.

It is an arithmetic number, because the mean of its divisors is an integer number (18438460).

Almost surely, 2^64534603 is an apocalyptic number.

64534603 is a deficient number, since it is larger than the sum of its proper divisors (9219237).

64534603 is an equidigital number, since it uses as much as digits as its factorization.

64534603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219236.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 64534603 is about 8033.3432019303. The cubic root of 64534603 is about 401.1106694292.

The spelling of 64534603 in words is "sixty-four million, five hundred thirty-four thousand, six hundred three".