520360871 has 8 divisors (see below), whose sum is σ = 551186064. Its totient is φ = 489559680.

The previous prime is 520360861. The next prime is 520360903. The reversal of 520360871 is 178063025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520360871 - 2¹⁸ = 520098727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520360801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58601 + ... + 66893.

It is an arithmetic number, because the mean of its divisors is an integer number (68898258).

Almost surely, 2^520360871 is an apocalyptic number.

520360871 is a deficient number, since it is larger than the sum of its proper divisors (30825193).

520360871 is a wasteful number, since it uses less digits than its factorization.

520360871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12001.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 520360871 is about 22811.4197497657. The cubic root of 520360871 is about 804.3311296418.

The spelling of 520360871 in words is "five hundred twenty million, three hundred sixty thousand, eight hundred seventy-one".