503413 has 2 divisors, whose sum is σ = 503414. Its totient is φ = 503412.

The previous prime is 503407. The next prime is 503423. The reversal of 503413 is 314305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492804 + 10609 = 702^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 503413 - 2⁵ = 503381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503423) 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, 251706 + 251707.

It is an arithmetic number, because the mean of its divisors is an integer number (251707).

2⁵⁰³⁴¹³ is an apocalyptic number.

It is an amenable number.

503413 is a deficient number, since it is larger than the sum of its proper divisors (1).

503413 is an equidigital number, since it uses as much as digits as its factorization.

503413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 503413 is about 709.5160322361. The cubic root of 503413 is about 79.5502365659.

Adding to 503413 its reverse (314305), we get a palindrome (817718).

The spelling of 503413 in words is "five hundred three thousand, four hundred thirteen".