525852585 has 24 divisors (see below), whose sum is σ = 965095560. Its totient is φ = 263956992.

The previous prime is 525852577. The next prime is 525852589. The reversal of 525852585 is 585258525.

It can be written as a sum of positive squares in 4 ways, for example, as 34609689 + 491242896 = 5883^2 + 22164^2 .

It is not a de Polignac number, because 525852585 - 2³ = 525852577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 525852585.

It is not an unprimeable number, because it can be changed into a prime (525852589) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342930 + ... + 344459.

It is an arithmetic number, because the mean of its divisors is an integer number (40212315).

Almost surely, 2^525852585 is an apocalyptic number.

It is an amenable number.

525852585 is a deficient number, since it is larger than the sum of its proper divisors (439242975).

525852585 is a wasteful number, since it uses less digits than its factorization.

525852585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687417 (or 687414 counting only the distinct ones).

The product of its digits is 800000, while the sum is 45.

The square root of 525852585 is about 22931.4758574323. The cubic root of 525852585 is about 807.1507805032.

The spelling of 525852585 in words is "five hundred twenty-five million, eight hundred fifty-two thousand, five hundred eighty-five".