508290863 has 2 divisors, whose sum is σ = 508290864. Its totient is φ = 508290862.

The previous prime is 508290821. The next prime is 508290943. The reversal of 508290863 is 368092805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 508290863 - 2¹⁶ = 508225327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 508290863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508250863) 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, 254145431 + 254145432.

It is an arithmetic number, because the mean of its divisors is an integer number (254145432).

Almost surely, 2^508290863 is an apocalyptic number.

508290863 is a deficient number, since it is larger than the sum of its proper divisors (1).

508290863 is an equidigital number, since it uses as much as digits as its factorization.

508290863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 508290863 is about 22545.3068952277. The cubic root of 508290863 is about 798.0634739284.

The spelling of 508290863 in words is "five hundred eight million, two hundred ninety thousand, eight hundred sixty-three".