503890481 has 2 divisors, whose sum is σ = 503890482. Its totient is φ = 503890480.

The previous prime is 503890447. The next prime is 503890493. The reversal of 503890481 is 184098305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432640000 + 71250481 = 20800^2 + 8441^2 .

It is a cyclic number.

It is not a de Polignac number, because 503890481 - 2¹⁴ = 503874097 is a prime.

It is a super-2 number, since 2×503890481² = 507811233684822722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (503890411) 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, 251945240 + 251945241.

It is an arithmetic number, because the mean of its divisors is an integer number (251945241).

Almost surely, 2^503890481 is an apocalyptic number.

It is an amenable number.

503890481 is a deficient number, since it is larger than the sum of its proper divisors (1).

503890481 is an equidigital number, since it uses as much as digits as its factorization.

503890481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 503890481 is about 22447.5050061248. The cubic root of 503890481 is about 795.7537942333.

The spelling of 503890481 in words is "five hundred three million, eight hundred ninety thousand, four hundred eighty-one".