503320260197 has 2 divisors, whose sum is σ = 503320260198. Its totient is φ = 503320260196.

The previous prime is 503320260181. The next prime is 503320260253. The reversal of 503320260197 is 791062023305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483283574596 + 20036685601 = 695186^2 + 141551^2 .

It is a cyclic number.

It is not a de Polignac number, because 503320260197 - 2⁴ = 503320260181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503320260197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503320260137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251660130098 + 251660130099.

It is an arithmetic number, because the mean of its divisors is an integer number (251660130099).

Almost surely, 2^503320260197 is an apocalyptic number.

It is an amenable number.

503320260197 is a deficient number, since it is larger than the sum of its proper divisors (1).

503320260197 is an equidigital number, since it uses as much as digits as its factorization.

503320260197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 503320260197 in words is "five hundred three billion, three hundred twenty million, two hundred sixty thousand, one hundred ninety-seven".