520163383 has 2 divisors, whose sum is σ = 520163384. Its totient is φ = 520163382.

The previous prime is 520163327. The next prime is 520163387. The reversal of 520163383 is 383361025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520163383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520163387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260081691 + 260081692.

It is an arithmetic number, because the mean of its divisors is an integer number (260081692).

Almost surely, 2^520163383 is an apocalyptic number.

520163383 is a deficient number, since it is larger than the sum of its proper divisors (1).

520163383 is an equidigital number, since it uses as much as digits as its factorization.

520163383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 520163383 is about 22807.0906298896. The cubic root of 520163383 is about 804.2293631855.

The spelling of 520163383 in words is "five hundred twenty million, one hundred sixty-three thousand, three hundred eighty-three".