64248503 has 4 divisors (see below), whose sum is σ = 70089288. Its totient is φ = 58407720.

The previous prime is 64248473. The next prime is 64248521. The reversal of 64248503 is 30584246.

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 64248503 - 2⁶ = 64248439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64248503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64248553) 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, 2920376 + ... + 2920397.

It is an arithmetic number, because the mean of its divisors is an integer number (17522322).

Almost surely, 2^64248503 is an apocalyptic number.

64248503 is a deficient number, since it is larger than the sum of its proper divisors (5840785).

64248503 is a wasteful number, since it uses less digits than its factorization.

64248503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840784.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 64248503 is about 8015.5163901024. The cubic root of 64248503 is about 400.5170459541.

The spelling of 64248503 in words is "sixty-four million, two hundred forty-eight thousand, five hundred three".