503285449 has 2 divisors, whose sum is σ = 503285450. Its totient is φ = 503285448.

The previous prime is 503285383. The next prime is 503285473. The reversal of 503285449 is 944582305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412902400 + 90383049 = 20320^2 + 9507^2 .

It is a cyclic number.

It is not a de Polignac number, because 503285449 - 2²³ = 494896841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (503285249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251642724 + 251642725.

It is an arithmetic number, because the mean of its divisors is an integer number (251642725).

Almost surely, 2^503285449 is an apocalyptic number.

It is an amenable number.

503285449 is a deficient number, since it is larger than the sum of its proper divisors (1).

503285449 is an equidigital number, since it uses as much as digits as its factorization.

503285449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 503285449 is about 22434.0243603327. The cubic root of 503285449 is about 795.4351738487.

The spelling of 503285449 in words is "five hundred three million, two hundred eighty-five thousand, four hundred forty-nine".