201300503 has 2 divisors, whose sum is σ = 201300504. Its totient is φ = 201300502.

The previous prime is 201300499. The next prime is 201300509. The reversal of 201300503 is 305003102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201300503 - 2² = 201300499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201300509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100650251 + 100650252.

It is an arithmetic number, because the mean of its divisors is an integer number (100650252).

Almost surely, 2^201300503 is an apocalyptic number.

201300503 is a deficient number, since it is larger than the sum of its proper divisors (1).

201300503 is an equidigital number, since it uses as much as digits as its factorization.

201300503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 201300503 is about 14188.0408443167. The cubic root of 201300503 is about 586.0683746858.

Adding to 201300503 its reverse (305003102), we get a palindrome (506303605).

The spelling of 201300503 in words is "two hundred one million, three hundred thousand, five hundred three".