501222503 has 2 divisors, whose sum is σ = 501222504. Its totient is φ = 501222502.

The previous prime is 501222493. The next prime is 501222529. The reversal of 501222503 is 305222105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501222503 - 2⁴ = 501222487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501222563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250611251 + 250611252.

It is an arithmetic number, because the mean of its divisors is an integer number (250611252).

Almost surely, 2^501222503 is an apocalyptic number.

501222503 is a deficient number, since it is larger than the sum of its proper divisors (1).

501222503 is an equidigital number, since it uses as much as digits as its factorization.

501222503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 501222503 is about 22387.9990843309. Note that the first 3 decimals coincide. The cubic root of 501222503 is about 794.3468670168.

Adding to 501222503 its reverse (305222105), we get a palindrome (806444608).

It can be divided in two parts, 50122 and 2503, that added together give a palindrome (52625).

The spelling of 501222503 in words is "five hundred one million, two hundred twenty-two thousand, five hundred three".