503140441 has 2 divisors, whose sum is σ = 503140442. Its totient is φ = 503140440.

The previous prime is 503140423. The next prime is 503140511. The reversal of 503140441 is 144041305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384003216 + 119137225 = 19596^2 + 10915^2 .

It is a cyclic number.

It is not a de Polignac number, because 503140441 - 2⁵ = 503140409 is a prime.

It is not a weakly prime, because it can be changed into another prime (503140411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251570220 + 251570221.

It is an arithmetic number, because the mean of its divisors is an integer number (251570221).

Almost surely, 2^503140441 is an apocalyptic number.

It is an amenable number.

503140441 is a deficient number, since it is larger than the sum of its proper divisors (1).

503140441 is an equidigital number, since it uses as much as digits as its factorization.

503140441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 503140441 is about 22430.7922508323. The cubic root of 503140441 is about 795.3587721808.

Adding to 503140441 its reverse (144041305), we get a palindrome (647181746).

The spelling of 503140441 in words is "five hundred three million, one hundred forty thousand, four hundred forty-one".