520026873 has 4 divisors (see below), whose sum is σ = 693369168. Its totient is φ = 346684580.

The previous prime is 520026863. The next prime is 520026877. The reversal of 520026873 is 378620025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520026873 - 2⁵ = 520026841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520026877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86671143 + ... + 86671148.

It is an arithmetic number, because the mean of its divisors is an integer number (173342292).

Almost surely, 2^520026873 is an apocalyptic number.

It is an amenable number.

520026873 is a deficient number, since it is larger than the sum of its proper divisors (173342295).

520026873 is a wasteful number, since it uses less digits than its factorization.

520026873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173342294.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 520026873 is about 22804.0977238741. The cubic root of 520026873 is about 804.1590039104.

Adding to 520026873 its reverse (378620025), we get a palindrome (898646898).

The spelling of 520026873 in words is "five hundred twenty million, twenty-six thousand, eight hundred seventy-three".