520310497 has 8 divisors (see below), whose sum is σ = 625937600. Its totient is φ = 422507664.

The previous prime is 520310477. The next prime is 520310503. The reversal of 520310497 is 794013025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520310497 - 2⁷ = 520310369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520310407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955922 + ... + 1956187.

It is an arithmetic number, because the mean of its divisors is an integer number (78242200).

Almost surely, 2^520310497 is an apocalyptic number.

It is an amenable number.

520310497 is a deficient number, since it is larger than the sum of its proper divisors (105627103).

520310497 is a wasteful number, since it uses less digits than its factorization.

520310497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912135.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 520310497 is about 22810.3155830865. The cubic root of 520310497 is about 804.3051741391.

The spelling of 520310497 in words is "five hundred twenty million, three hundred ten thousand, four hundred ninety-seven".