520146807 has 32 divisors (see below), whose sum is σ = 751016448. Its totient is φ = 319036416.

The previous prime is 520146779. The next prime is 520146821. The reversal of 520146807 is 708641025.

It is not a de Polignac number, because 520146807 - 2⁶ = 520146743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520146857) 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 31 ways as a sum of consecutive naturals, for example, 435403 + ... + 436595.

It is an arithmetic number, because the mean of its divisors is an integer number (23469264).

Almost surely, 2^520146807 is an apocalyptic number.

520146807 is a deficient number, since it is larger than the sum of its proper divisors (230869641).

520146807 is a wasteful number, since it uses less digits than its factorization.

520146807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 520146807 is about 22806.7272312360. The cubic root of 520146807 is about 804.2208203263.

The spelling of 520146807 in words is "five hundred twenty million, one hundred forty-six thousand, eight hundred seven".