520005706 has 32 divisors (see below), whose sum is σ = 876355200. Its totient is φ = 229363200.

The previous prime is 520005701. The next prime is 520005719. The reversal of 520005706 is 607500025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (520005701) 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 15 ways as a sum of consecutive naturals, for example, 178050 + ... + 180946.

It is an arithmetic number, because the mean of its divisors is an integer number (27386100).

Almost surely, 2^520005706 is an apocalyptic number.

520005706 is a deficient number, since it is larger than the sum of its proper divisors (356349494).

520005706 is a wasteful number, since it uses less digits than its factorization.

520005706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 520005706 is about 22803.6336139660. The cubic root of 520005706 is about 804.1480930226.

The spelling of 520005706 in words is "five hundred twenty million, five thousand, seven hundred six".