503641441 has 2 divisors, whose sum is σ = 503641442. Its totient is φ = 503641440.

The previous prime is 503641387. The next prime is 503641451. The reversal of 503641441 is 144146305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486864225 + 16777216 = 22065^2 + 4096^2 .

It is a cyclic number.

It is not a de Polignac number, because 503641441 - 2²³ = 495252833 is a prime.

It is a Chen prime.

It is equal to p_26537221 and since 503641441 and 26537221 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (503641451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251820720 + 251820721.

It is an arithmetic number, because the mean of its divisors is an integer number (251820721).

Almost surely, 2^503641441 is an apocalyptic number.

It is an amenable number.

503641441 is a deficient number, since it is larger than the sum of its proper divisors (1).

503641441 is an equidigital number, since it uses as much as digits as its factorization.

503641441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 503641441 is about 22441.9571561840. The cubic root of 503641441 is about 795.6226763353.

Adding to 503641441 its reverse (144146305), we get a palindrome (647787746).

The spelling of 503641441 in words is "five hundred three million, six hundred forty-one thousand, four hundred forty-one".