506978363 has 2 divisors, whose sum is σ = 506978364. Its totient is φ = 506978362.

The previous prime is 506978341. The next prime is 506978389. The reversal of 506978363 is 363879605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506978363 - 2¹⁴ = 506961979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (506978323) 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, 253489181 + 253489182.

It is an arithmetic number, because the mean of its divisors is an integer number (253489182).

Almost surely, 2^506978363 is an apocalyptic number.

506978363 is a deficient number, since it is larger than the sum of its proper divisors (1).

506978363 is an equidigital number, since it uses as much as digits as its factorization.

506978363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 506978363 is about 22516.1800268163. The cubic root of 506978363 is about 797.3759665333.

The spelling of 506978363 in words is "five hundred six million, nine hundred seventy-eight thousand, three hundred sixty-three".