520516870 has 8 divisors (see below), whose sum is σ = 936930384. Its totient is φ = 208206744.

The previous prime is 520516819. The next prime is 520516873. The reversal of 520516870 is 78615025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520516873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26025834 + ... + 26025853.

It is an arithmetic number, because the mean of its divisors is an integer number (117116298).

Almost surely, 2^520516870 is an apocalyptic number.

520516870 is a deficient number, since it is larger than the sum of its proper divisors (416413514).

520516870 is a wasteful number, since it uses less digits than its factorization.

520516870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52051694.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 520516870 is about 22814.8388116156. The cubic root of 520516870 is about 804.4114984283.

The spelling of 520516870 in words is "five hundred twenty million, five hundred sixteen thousand, eight hundred seventy".