520466497 has 2 divisors, whose sum is σ = 520466498. Its totient is φ = 520466496.

The previous prime is 520466489. The next prime is 520466503. The reversal of 520466497 is 794664025.

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., 505170576 + 15295921 = 22476^2 + 3911^2 .

It is a cyclic number.

It is not a de Polignac number, because 520466497 - 2³ = 520466489 is a prime.

It is not a weakly prime, because it can be changed into another prime (520466417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260233248 + 260233249.

It is an arithmetic number, because the mean of its divisors is an integer number (260233249).

Almost surely, 2^520466497 is an apocalyptic number.

It is an amenable number.

520466497 is a deficient number, since it is larger than the sum of its proper divisors (1).

520466497 is an equidigital number, since it uses as much as digits as its factorization.

520466497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 520466497 is about 22813.7348323329. The cubic root of 520466497 is about 804.3855486273.

The spelling of 520466497 in words is "five hundred twenty million, four hundred sixty-six thousand, four hundred ninety-seven".