520524847 has 8 divisors (see below), whose sum is σ = 534986496. Its totient is φ = 506170392.

The previous prime is 520524841. The next prime is 520524863. The reversal of 520524847 is 748425025.

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 520524847 - 2³ = 520524839 is a prime.

It is a super-2 number, since 2×520524847² = 541892232688746818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520524841) 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, 16903 + ... + 36424.

It is an arithmetic number, because the mean of its divisors is an integer number (66873312).

Almost surely, 2^520524847 is an apocalyptic number.

520524847 is a deficient number, since it is larger than the sum of its proper divisors (14461649).

520524847 is a wasteful number, since it uses less digits than its factorization.

520524847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53597.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 520524847 is about 22815.0136313788. The cubic root of 520524847 is about 804.4156076500.

The spelling of 520524847 in words is "five hundred twenty million, five hundred twenty-four thousand, eight hundred forty-seven".