525459812 has 24 divisors (see below), whose sum is σ = 940485504. Its totient is φ = 256766112.

The previous prime is 525459811. The next prime is 525459821. The reversal of 525459812 is 218954525.

It is a super-2 number, since 2×525459812² = 552216028054150688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525459812.

It is not an unprimeable number, because it can be changed into a prime (525459811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163283 + ... + 166469.

It is an arithmetic number, because the mean of its divisors is an integer number (39186896).

Almost surely, 2^525459812 is an apocalyptic number.

It is an amenable number.

525459812 is a deficient number, since it is larger than the sum of its proper divisors (415025692).

525459812 is a wasteful number, since it uses less digits than its factorization.

525459812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 525459812 is about 22922.9101991872. The cubic root of 525459812 is about 806.9497697971.

The spelling of 525459812 in words is "five hundred twenty-five million, four hundred fifty-nine thousand, eight hundred twelve".