520794005 has 8 divisors (see below), whose sum is σ = 626311224. Its totient is φ = 415729600.

The previous prime is 520793993. The next prime is 520794007. The reversal of 520794005 is 500497025.

It can be written as a sum of positive squares in 4 ways, for example, as 107972881 + 412821124 = 10391^2 + 20318^2 .

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

It is not a de Polignac number, because 520794005 - 2²⁴ = 504016789 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 (520794007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110666 + ... + 115275.

It is an arithmetic number, because the mean of its divisors is an integer number (78288903).

Almost surely, 2^520794005 is an apocalyptic number.

It is an amenable number.

520794005 is a deficient number, since it is larger than the sum of its proper divisors (105517219).

520794005 is a wasteful number, since it uses less digits than its factorization.

520794005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226407.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 520794005 is about 22820.9115725030. The cubic root of 520794005 is about 804.5542354145.

The spelling of 520794005 in words is "five hundred twenty million, seven hundred ninety-four thousand, five".