503325413 has 2 divisors, whose sum is σ = 503325414. Its totient is φ = 503325412.

The previous prime is 503325323. The next prime is 503325419. The reversal of 503325413 is 314523305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328080769 + 175244644 = 18113^2 + 13238^2 .

It is a cyclic number.

It is not a de Polignac number, because 503325413 - 2²² = 499131109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503325419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251662706 + 251662707.

It is an arithmetic number, because the mean of its divisors is an integer number (251662707).

Almost surely, 2^503325413 is an apocalyptic number.

It is an amenable number.

503325413 is a deficient number, since it is larger than the sum of its proper divisors (1).

503325413 is an equidigital number, since it uses as much as digits as its factorization.

503325413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 503325413 is about 22434.9150432980. The cubic root of 503325413 is about 795.4562274608.

Adding to 503325413 its reverse (314523305), we get a palindrome (817848718).

The spelling of 503325413 in words is "five hundred three million, three hundred twenty-five thousand, four hundred thirteen".