520261875 has 120 divisors (see below), whose sum is σ = 1093924832. Its totient is φ = 233280000.

The previous prime is 520261853. The next prime is 520261877. The reversal of 520261875 is 578162025.

It is a happy number.

520261875 is a `hidden beast` number, since 520 + 2 + 61 + 8 + 75 = 666.

It is not a de Polignac number, because 520261875 - 2¹⁹ = 519737587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520261877) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2874285 + ... + 2874465.

Almost surely, 2^520261875 is an apocalyptic number.

520261875 is an abundant number, since it is smaller than the sum of its proper divisors (573662957).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520261875 is a wasteful number, since it uses less digits than its factorization.

520261875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 520261875 is about 22809.2497684602. The cubic root of 520261875 is about 804.2801197760.

The spelling of 520261875 in words is "five hundred twenty million, two hundred sixty-one thousand, eight hundred seventy-five".