520547797 has 16 divisors (see below), whose sum is σ = 650620800. Its totient is φ = 404605440.

The previous prime is 520547791. The next prime is 520547801. The reversal of 520547797 is 797745025.

It is a cyclic number.

It is not a de Polignac number, because 520547797 - 2¹⁵ = 520515029 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 (520547791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23229 + ... + 39757.

It is an arithmetic number, because the mean of its divisors is an integer number (40663800).

Almost surely, 2^520547797 is an apocalyptic number.

It is an amenable number.

520547797 is a deficient number, since it is larger than the sum of its proper divisors (130073003).

520547797 is a wasteful number, since it uses less digits than its factorization.

520547797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16956.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 520547797 is about 22815.5165841144. The cubic root of 520547797 is about 804.4274297350.

The spelling of 520547797 in words is "five hundred twenty million, five hundred forty-seven thousand, seven hundred ninety-seven".