503343641 has 2 divisors, whose sum is σ = 503343642. Its totient is φ = 503343640.

The previous prime is 503343629. The next prime is 503343647. The reversal of 503343641 is 146343305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502656400 + 687241 = 22420^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 503343641 - 2¹⁰ = 503342617 is a prime.

It is not a weakly prime, because it can be changed into another prime (503343647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251671820 + 251671821.

It is an arithmetic number, because the mean of its divisors is an integer number (251671821).

Almost surely, 2^503343641 is an apocalyptic number.

It is an amenable number.

503343641 is a deficient number, since it is larger than the sum of its proper divisors (1).

503343641 is an equidigital number, since it uses as much as digits as its factorization.

503343641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 503343641 is about 22435.3212814080. The cubic root of 503343641 is about 795.4658298643.

Adding to 503343641 its reverse (146343305), we get a palindrome (649686946).

The spelling of 503343641 in words is "five hundred three million, three hundred forty-three thousand, six hundred forty-one".