520341769 has 2 divisors, whose sum is σ = 520341770. Its totient is φ = 520341768.

The previous prime is 520341677. The next prime is 520341781. The reversal of 520341769 is 967143025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390655225 + 129686544 = 19765^2 + 11388^2 .

It is a cyclic number.

It is not a de Polignac number, because 520341769 - 2⁷ = 520341641 is a prime.

It is a super-2 number, since 2×520341769² = 541511113132098722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520371769) 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, 260170884 + 260170885.

It is an arithmetic number, because the mean of its divisors is an integer number (260170885).

Almost surely, 2^520341769 is an apocalyptic number.

It is an amenable number.

520341769 is a deficient number, since it is larger than the sum of its proper divisors (1).

520341769 is an equidigital number, since it uses as much as digits as its factorization.

520341769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 520341769 is about 22811.0010521240. The cubic root of 520341769 is about 804.3212874200.

The spelling of 520341769 in words is "five hundred twenty million, three hundred forty-one thousand, seven hundred sixty-nine".