520258379 has 2 divisors, whose sum is σ = 520258380. Its totient is φ = 520258378.

The previous prime is 520258363. The next prime is 520258439. The reversal of 520258379 is 973852025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520258379 - 2⁴ = 520258363 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520258339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260129189 + 260129190.

It is an arithmetic number, because the mean of its divisors is an integer number (260129190).

Almost surely, 2^520258379 is an apocalyptic number.

520258379 is a deficient number, since it is larger than the sum of its proper divisors (1).

520258379 is an equidigital number, since it uses as much as digits as its factorization.

520258379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 520258379 is about 22809.1731327552. The cubic root of 520258379 is about 804.2783182669.

The spelling of 520258379 in words is "five hundred twenty million, two hundred fifty-eight thousand, three hundred seventy-nine".