520265473 has 32 divisors (see below), whose sum is σ = 661893120. Its totient is φ = 397923840.

The previous prime is 520265461. The next prime is 520265479. The reversal of 520265473 is 374562025.

It is a cyclic number.

It is not a de Polignac number, because 520265473 - 2⁹ = 520264961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520265479) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 642693 + ... + 643501.

It is an arithmetic number, because the mean of its divisors is an integer number (20684160).

Almost surely, 2^520265473 is an apocalyptic number.

It is an amenable number.

520265473 is a deficient number, since it is larger than the sum of its proper divisors (141627647).

520265473 is a wasteful number, since it uses less digits than its factorization.

520265473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 520265473 is about 22809.3286398351. The cubic root of 520265473 is about 804.2819738379.

The spelling of 520265473 in words is "five hundred twenty million, two hundred sixty-five thousand, four hundred seventy-three".