520414901 has 2 divisors, whose sum is σ = 520414902. Its totient is φ = 520414900.

The previous prime is 520414891. The next prime is 520414907. The reversal of 520414901 is 109414025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360012676 + 160402225 = 18974^2 + 12665^2 .

It is a cyclic number.

It is not a de Polignac number, because 520414901 - 2⁶ = 520414837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520414907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260207450 + 260207451.

It is an arithmetic number, because the mean of its divisors is an integer number (260207451).

Almost surely, 2^520414901 is an apocalyptic number.

It is an amenable number.

520414901 is a deficient number, since it is larger than the sum of its proper divisors (1).

520414901 is an equidigital number, since it uses as much as digits as its factorization.

520414901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 520414901 is about 22812.6039942835. The cubic root of 520414901 is about 804.3589670583.

Adding to 520414901 its reverse (109414025), we get a palindrome (629828926).

The spelling of 520414901 in words is "five hundred twenty million, four hundred fourteen thousand, nine hundred one".