503500241 has 2 divisors, whose sum is σ = 503500242. Its totient is φ = 503500240.

The previous prime is 503500223. The next prime is 503500267. The reversal of 503500241 is 142005305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499969600 + 3530641 = 22360^2 + 1879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503500241 is a prime.

It is a super-3 number, since 3×503500241³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (503500211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251750120 + 251750121.

It is an arithmetic number, because the mean of its divisors is an integer number (251750121).

Almost surely, 2^503500241 is an apocalyptic number.

It is an amenable number.

503500241 is a deficient number, since it is larger than the sum of its proper divisors (1).

503500241 is an equidigital number, since it uses as much as digits as its factorization.

503500241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 503500241 is about 22438.8110424773. The cubic root of 503500241 is about 795.5483162761.

Adding to 503500241 its reverse (142005305), we get a palindrome (645505546).

The spelling of 503500241 in words is "five hundred three million, five hundred thousand, two hundred forty-one".