503500005 has 12 divisors (see below), whose sum is σ = 872733420. Its totient is φ = 268533312.

The previous prime is 503500003. The next prime is 503500007. The reversal of 503500005 is 500005305.

It is an interprime number because it is at equal distance from previous prime (503500003) and next prime (503500007).

It can be written as a sum of positive squares in 2 ways, for example, as 153735201 + 349764804 = 12399^2 + 18702^2 .

It is not a de Polignac number, because 503500005 - 2¹ = 503500003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503500003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5594400 + ... + 5594489.

It is an arithmetic number, because the mean of its divisors is an integer number (72727785).

Almost surely, 2^503500005 is an apocalyptic number.

It is an amenable number.

503500005 is a deficient number, since it is larger than the sum of its proper divisors (369233415).

503500005 is a wasteful number, since it uses less digits than its factorization.

503500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188900 (or 11188897 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 503500005 is about 22438.8057837310. The cubic root of 503500005 is about 795.5481919799.

The spelling of 503500005 in words is "five hundred three million, five hundred thousand, five".