520336867 has 4 divisors (see below), whose sum is σ = 550944936. Its totient is φ = 489728800.

The previous prime is 520336841. The next prime is 520336931. The reversal of 520336867 is 768633025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520336867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520376867) 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 3 ways as a sum of consecutive naturals, for example, 15304009 + ... + 15304042.

It is an arithmetic number, because the mean of its divisors is an integer number (137736234).

Almost surely, 2^520336867 is an apocalyptic number.

520336867 is a deficient number, since it is larger than the sum of its proper divisors (30608069).

520336867 is a wasteful number, since it uses less digits than its factorization.

520336867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30608068.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 520336867 is about 22810.8936037149. The cubic root of 520336867 is about 804.3187616472.

The spelling of 520336867 in words is "five hundred twenty million, three hundred thirty-six thousand, eight hundred sixty-seven".