520536265 has 4 divisors (see below), whose sum is σ = 624643524. Its totient is φ = 416429008.

The previous prime is 520536259. The next prime is 520536301. The reversal of 520536265 is 562635025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 134374464 + 386161801 = 11592^2 + 19651^2 .

It is a cyclic number.

It is not a de Polignac number, because 520536265 - 2³ = 520536257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520536265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52053622 + ... + 52053631.

It is an arithmetic number, because the mean of its divisors is an integer number (156160881).

Almost surely, 2^520536265 is an apocalyptic number.

It is an amenable number.

520536265 is a deficient number, since it is larger than the sum of its proper divisors (104107259).

520536265 is a wasteful number, since it uses less digits than its factorization.

520536265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104107258.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 520536265 is about 22815.2638599688. The cubic root of 520536265 is about 804.4214893739.

The spelling of 520536265 in words is "five hundred twenty million, five hundred thirty-six thousand, two hundred sixty-five".