520435417 has 2 divisors, whose sum is σ = 520435418. Its totient is φ = 520435416.

The previous prime is 520435373. The next prime is 520435457. The reversal of 520435417 is 714534025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271458576 + 248976841 = 16476^2 + 15779^2 .

It is a cyclic number.

It is not a de Polignac number, because 520435417 - 2¹¹ = 520433369 is a prime.

It is not a weakly prime, because it can be changed into another prime (520435457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260217708 + 260217709.

It is an arithmetic number, because the mean of its divisors is an integer number (260217709).

Almost surely, 2^520435417 is an apocalyptic number.

It is an amenable number.

520435417 is a deficient number, since it is larger than the sum of its proper divisors (1).

520435417 is an equidigital number, since it uses as much as digits as its factorization.

520435417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 520435417 is about 22813.0536535555. The cubic root of 520435417 is about 804.3695368374.

The spelling of 520435417 in words is "five hundred twenty million, four hundred thirty-five thousand, four hundred seventeen".