503200081 has 8 divisors (see below), whose sum is σ = 506268360. Its totient is φ = 500140032.

The previous prime is 503200067. The next prime is 503200097. The reversal of 503200081 is 180002305.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15673681 + 487526400 = 3959^2 + 22080^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503200081 - 2⁹ = 503199569 is a prime.

It is a super-2 number, since 2×503200081² = 506420643036813122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503200021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155205 + ... + 158413.

It is an arithmetic number, because the mean of its divisors is an integer number (63283545).

Almost surely, 2^503200081 is an apocalyptic number.

It is an amenable number.

503200081 is a deficient number, since it is larger than the sum of its proper divisors (3068279).

503200081 is a wasteful number, since it uses less digits than its factorization.

503200081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 503200081 is about 22432.1216339427. The cubic root of 503200081 is about 795.3901970204.

Adding to 503200081 its reverse (180002305), we get a palindrome (683202386).

The spelling of 503200081 in words is "five hundred three million, two hundred thousand, eighty-one".