520514201 has 2 divisors, whose sum is σ = 520514202. Its totient is φ = 520514200.

The previous prime is 520514171. The next prime is 520514209. The reversal of 520514201 is 102415025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436810000 + 83704201 = 20900^2 + 9149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520514201 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (520514209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260257100 + 260257101.

It is an arithmetic number, because the mean of its divisors is an integer number (260257101).

Almost surely, 2^520514201 is an apocalyptic number.

It is an amenable number.

520514201 is a deficient number, since it is larger than the sum of its proper divisors (1).

520514201 is an equidigital number, since it uses as much as digits as its factorization.

520514201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 520514201 is about 22814.7803189073. The cubic root of 520514201 is about 804.4101235270.

Adding to 520514201 its reverse (102415025), we get a palindrome (622929226).

The spelling of 520514201 in words is "five hundred twenty million, five hundred fourteen thousand, two hundred one".