520422341 has 2 divisors, whose sum is σ = 520422342. Its totient is φ = 520422340.

The previous prime is 520422319. The next prime is 520422347. The reversal of 520422341 is 143224025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267453316 + 252969025 = 16354^2 + 15905^2 .

It is a cyclic number.

It is not a de Polignac number, because 520422341 - 2⁶ = 520422277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520422347) 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, 260211170 + 260211171.

It is an arithmetic number, because the mean of its divisors is an integer number (260211171).

Almost surely, 2^520422341 is an apocalyptic number.

It is an amenable number.

520422341 is a deficient number, since it is larger than the sum of its proper divisors (1).

520422341 is an equidigital number, since it uses as much as digits as its factorization.

520422341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 520422341 is about 22812.7670614505. The cubic root of 520422341 is about 804.3628001551.

Adding to 520422341 its reverse (143224025), we get a palindrome (663646366).

The spelling of 520422341 in words is "five hundred twenty million, four hundred twenty-two thousand, three hundred forty-one".