520120241 has 2 divisors, whose sum is σ = 520120242. Its totient is φ = 520120240.

The previous prime is 520120213. The next prime is 520120291. The reversal of 520120241 is 142021025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429318400 + 90801841 = 20720^2 + 9529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520120241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520120291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260060120 + 260060121.

It is an arithmetic number, because the mean of its divisors is an integer number (260060121).

Almost surely, 2^520120241 is an apocalyptic number.

It is an amenable number.

520120241 is a deficient number, since it is larger than the sum of its proper divisors (1).

520120241 is an equidigital number, since it uses as much as digits as its factorization.

520120241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 520120241 is about 22806.1448079240. The cubic root of 520120241 is about 804.2071284905.

Adding to 520120241 its reverse (142021025), we get a palindrome (662141266).

The spelling of 520120241 in words is "five hundred twenty million, one hundred twenty thousand, two hundred forty-one".