520542179 has 2 divisors, whose sum is σ = 520542180. Its totient is φ = 520542178.

The previous prime is 520542167. The next prime is 520542241. The reversal of 520542179 is 971245025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520542179 - 2⁴ = 520542163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520542119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260271089 + 260271090.

It is an arithmetic number, because the mean of its divisors is an integer number (260271090).

Almost surely, 2^520542179 is an apocalyptic number.

520542179 is a deficient number, since it is larger than the sum of its proper divisors (1).

520542179 is an equidigital number, since it uses as much as digits as its factorization.

520542179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 520542179 is about 22815.3934658160. The cubic root of 520542179 is about 804.4245358031.

The spelling of 520542179 in words is "five hundred twenty million, five hundred forty-two thousand, one hundred seventy-nine".