64085503 has 4 divisors (see below), whose sum is σ = 64257688. Its totient is φ = 63913320.

The previous prime is 64085477. The next prime is 64085507. The reversal of 64085503 is 30558046.

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 64085503 - 2⁵ = 64085471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64085507) 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, 85533 + ... + 86278.

It is an arithmetic number, because the mean of its divisors is an integer number (16064422).

Almost surely, 2^64085503 is an apocalyptic number.

64085503 is a deficient number, since it is larger than the sum of its proper divisors (172185).

64085503 is a wasteful number, since it uses less digits than its factorization.

64085503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172184.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 64085503 is about 8005.3421538370. The cubic root of 64085503 is about 400.1780519820.

It can be divided in two parts, 6408 and 5503, that added together give a palindrome (11911).

The spelling of 64085503 in words is "sixty-four million, eighty-five thousand, five hundred three".