416503 has 2 divisors, whose sum is σ = 416504. Its totient is φ = 416502.

The previous prime is 416501. The next prime is 416513. The reversal of 416503 is 305614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 416503 - 2¹ = 416501 is a prime.

Together with 416501, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208251 + 208252.

It is an arithmetic number, because the mean of its divisors is an integer number (208252).

2⁴¹⁶⁵⁰³ is an apocalyptic number.

416503 is a deficient number, since it is larger than the sum of its proper divisors (1).

416503 is an equidigital number, since it uses as much as digits as its factorization.

416503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 416503 is about 645.3704362612. The cubic root of 416503 is about 74.6802984075.

Subtracting from 416503 its reverse (305614), we obtain a square (110889 = 333²).

It can be divided in two parts, 416 and 503, that added together give a palindrome (919).

The spelling of 416503 in words is "four hundred sixteen thousand, five hundred three".