520334307 has 8 divisors (see below), whose sum is σ = 770865680. Its totient is φ = 346889520.

The previous prime is 520334303. The next prime is 520334333. The reversal of 520334307 is 703433025.

520334307 is a `hidden beast` number, since 5 + 20 + 334 + 307 = 666.

It is not a de Polignac number, because 520334307 - 2² = 520334303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 19271641 = 520334307 / (5 + 2 + 0 + 3 + 3 + 4 + 3 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520334303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9635794 + ... + 9635847.

It is an arithmetic number, because the mean of its divisors is an integer number (96358210).

Almost surely, 2^520334307 is an apocalyptic number.

520334307 is a deficient number, since it is larger than the sum of its proper divisors (250531373).

520334307 is a wasteful number, since it uses less digits than its factorization.

520334307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19271650 (or 19271644 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 520334307 is about 22810.8374901054. The cubic root of 520334307 is about 804.3174425918.

The spelling of 520334307 in words is "five hundred twenty million, three hundred thirty-four thousand, three hundred seven".