520710125 has 36 divisors (see below), whose sum is σ = 708190236. Its totient is φ = 382075200.

The previous prime is 520710097. The next prime is 520710163. The reversal of 520710125 is 521017025.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 18 ways, for example, as 432556804 + 88153321 = 20798^2 + 9389^2 .

It is not a de Polignac number, because 520710125 - 2¹² = 520706029 is a prime.

It is a super-3 number, since 3×520710125³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 520710125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3316547 + ... + 3316703.

It is an arithmetic number, because the mean of its divisors is an integer number (19671951).

Almost surely, 2^520710125 is an apocalyptic number.

It is an amenable number.

520710125 is a deficient number, since it is larger than the sum of its proper divisors (187480111).

520710125 is an equidigital number, since it uses as much as digits as its factorization.

520710125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 520710125 is about 22819.0737103854. The cubic root of 520710125 is about 804.5110387878.

The spelling of 520710125 in words is "five hundred twenty million, seven hundred ten thousand, one hundred twenty-five".