503040651241 has 2 divisors, whose sum is σ = 503040651242. Its totient is φ = 503040651240.

The previous prime is 503040651089. The next prime is 503040651259. The reversal of 503040651241 is 142156040305.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366968196841 + 136072454400 = 605779^2 + 368880^2 .

It is a cyclic number.

It is not a de Polignac number, because 503040651241 - 2⁹ = 503040650729 is a prime.

It is not a weakly prime, because it can be changed into another prime (503040651941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251520325620 + 251520325621.

It is an arithmetic number, because the mean of its divisors is an integer number (251520325621).

Almost surely, 2^503040651241 is an apocalyptic number.

It is an amenable number.

503040651241 is a deficient number, since it is larger than the sum of its proper divisors (1).

503040651241 is an equidigital number, since it uses as much as digits as its factorization.

503040651241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 503040651241 its reverse (142156040305), we get a palindrome (645196691546).

The spelling of 503040651241 in words is "five hundred three billion, forty million, six hundred fifty-one thousand, two hundred forty-one".