520074905 has 16 divisors (see below), whose sum is σ = 713854080. Its totient is φ = 356318592.

The previous prime is 520074901. The next prime is 520074943. The reversal of 520074905 is 509470025.

It is not a de Polignac number, because 520074905 - 2² = 520074901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520074901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40061 + ... + 51429.

It is an arithmetic number, because the mean of its divisors is an integer number (44615880).

Almost surely, 2^520074905 is an apocalyptic number.

It is an amenable number.

520074905 is a deficient number, since it is larger than the sum of its proper divisors (193779175).

520074905 is a wasteful number, since it uses less digits than its factorization.

520074905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12688.

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

The square root of 520074905 is about 22805.1508436143. The cubic root of 520074905 is about 804.1837617182.

The spelling of 520074905 in words is "five hundred twenty million, seventy-four thousand, nine hundred five".