520305275 has 48 divisors (see below), whose sum is σ = 768998400. Its totient is φ = 348919200.

The previous prime is 520305259. The next prime is 520305277. The reversal of 520305275 is 572503025.

It is not a de Polignac number, because 520305275 - 2⁴ = 520305259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520305277) 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 47 ways as a sum of consecutive naturals, for example, 402380 + ... + 403670.

It is an arithmetic number, because the mean of its divisors is an integer number (16020800).

Almost surely, 2^520305275 is an apocalyptic number.

520305275 is a deficient number, since it is larger than the sum of its proper divisors (248693125).

520305275 is a wasteful number, since it uses less digits than its factorization.

520305275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 520305275 is about 22810.2011170441. The cubic root of 520305275 is about 804.3024833768.

The spelling of 520305275 in words is "five hundred twenty million, three hundred five thousand, two hundred seventy-five".