520254505 has 8 divisors (see below), whose sum is σ = 624886272. Its totient is φ = 415816368.

The previous prime is 520254491. The next prime is 520254517. The reversal of 520254505 is 505452025.

520254505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 520254505 - 2⁵ = 520254473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42427 + ... + 53296.

It is an arithmetic number, because the mean of its divisors is an integer number (78110784).

Almost surely, 2^520254505 is an apocalyptic number.

It is an amenable number.

520254505 is a deficient number, since it is larger than the sum of its proper divisors (104631767).

520254505 is a wasteful number, since it uses less digits than its factorization.

520254505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96815.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 520254505 is about 22809.0882106234. The cubic root of 520254505 is about 804.2763219627.

It can be divided in two parts, 520 and 254505, that added together give a square (255025 = 505²).

The spelling of 520254505 in words is "five hundred twenty million, two hundred fifty-four thousand, five hundred five".