520097907 has 24 divisors (see below), whose sum is σ = 812059392. Its totient is φ = 295218000.

The previous prime is 520097869. The next prime is 520097947. The reversal of 520097907 is 709790025.

It is not a de Polignac number, because 520097907 - 2¹¹ = 520095859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520097947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10482 + ... + 33912.

It is an arithmetic number, because the mean of its divisors is an integer number (33835808).

Almost surely, 2^520097907 is an apocalyptic number.

520097907 is a deficient number, since it is larger than the sum of its proper divisors (291961485).

520097907 is a wasteful number, since it uses less digits than its factorization.

520097907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23599 (or 23592 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 520097907 is about 22805.6551539306. The cubic root of 520097907 is about 804.1956174221.

The spelling of 520097907 in words is "five hundred twenty million, ninety-seven thousand, nine hundred seven".