520774105 has 8 divisors (see below), whose sum is σ = 628382664. Its totient is φ = 414316800.

The previous prime is 520774103. The next prime is 520774109. The reversal of 520774105 is 501477025.

It can be written as a sum of positive squares in 4 ways, for example, as 751689 + 520022416 = 867^2 + 22804^2 .

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

It is not a de Polignac number, because 520774105 - 2¹ = 520774103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520774103) 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, 286816 + ... + 288625.

It is an arithmetic number, because the mean of its divisors is an integer number (78547833).

Almost surely, 2^520774105 is an apocalyptic number.

It is an amenable number.

520774105 is a deficient number, since it is larger than the sum of its proper divisors (107608559).

520774105 is a wasteful number, since it uses less digits than its factorization.

520774105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575627.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 520774105 is about 22820.4755647204. The cubic root of 520774105 is about 804.5439877074.

The spelling of 520774105 in words is "five hundred twenty million, seven hundred seventy-four thousand, one hundred five".