520005790 has 32 divisors (see below), whose sum is σ = 965242656. Its totient is φ = 201601920.

The previous prime is 520005743. The next prime is 520005799. The reversal of 520005790 is 97500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520005799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38080 + ... + 49900.

It is an arithmetic number, because the mean of its divisors is an integer number (30163833).

Almost surely, 2^520005790 is an apocalyptic number.

520005790 is a deficient number, since it is larger than the sum of its proper divisors (445236866).

520005790 is a wasteful number, since it uses less digits than its factorization.

520005790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 520005790 is about 22803.6354557777. The cubic root of 520005790 is about 804.1481363224.

The spelling of 520005790 in words is "five hundred twenty million, five thousand, seven hundred ninety".