500505247 has 16 divisors (see below), whose sum is σ = 552337920. Its totient is φ = 453503160.

The previous prime is 500505241. The next prime is 500505283. The reversal of 500505247 is 742505005.

It is a de Polignac number, because none of the positive numbers 2^k-500505247 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 (500505241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695754 + ... + 696472.

It is an arithmetic number, because the mean of its divisors is an integer number (34521120).

Almost surely, 2^500505247 is an apocalyptic number.

500505247 is a deficient number, since it is larger than the sum of its proper divisors (51832673).

500505247 is an equidigital number, since it uses as much as digits as its factorization.

500505247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 500505247 is about 22371.9745887572. The cubic root of 500505247 is about 793.9677791915.

The spelling of 500505247 in words is "five hundred million, five hundred five thousand, two hundred forty-seven".