500862493 has 2 divisors, whose sum is σ = 500862494. Its totient is φ = 500862492.

The previous prime is 500862491. The next prime is 500862511. The reversal of 500862493 is 394268005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500551129 + 311364 = 22373^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 500862493 - 2¹ = 500862491 is a prime.

Together with 500862491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500862491) 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, 250431246 + 250431247.

It is an arithmetic number, because the mean of its divisors is an integer number (250431247).

Almost surely, 2^500862493 is an apocalyptic number.

It is an amenable number.

500862493 is a deficient number, since it is larger than the sum of its proper divisors (1).

500862493 is an equidigital number, since it uses as much as digits as its factorization.

500862493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 500862493 is about 22379.9573949550. The cubic root of 500862493 is about 794.1566379208.

The spelling of 500862493 in words is "five hundred million, eight hundred sixty-two thousand, four hundred ninety-three".