502045393 has 2 divisors, whose sum is σ = 502045394. Its totient is φ = 502045392.

The previous prime is 502045319. The next prime is 502045429. The reversal of 502045393 is 393540205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470325969 + 31719424 = 21687^2 + 5632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502045393 is a prime.

It is not a weakly prime, because it can be changed into another prime (502045693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251022696 + 251022697.

It is an arithmetic number, because the mean of its divisors is an integer number (251022697).

Almost surely, 2^502045393 is an apocalyptic number.

It is an amenable number.

502045393 is a deficient number, since it is larger than the sum of its proper divisors (1).

502045393 is an equidigital number, since it uses as much as digits as its factorization.

502045393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 502045393 is about 22406.3694738795. The cubic root of 502045393 is about 794.7813398617.

Adding to 502045393 its reverse (393540205), we get a palindrome (895585598).

The spelling of 502045393 in words is "five hundred two million, forty-five thousand, three hundred ninety-three".