525189012 has 24 divisors (see below), whose sum is σ = 1228012800. Its totient is φ = 174695616.

The previous prime is 525189001. The next prime is 525189019. The reversal of 525189012 is 210981525.

It is a super-2 number, since 2×525189012² = 551646996651072288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525189019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39937 + ... + 51432.

It is an arithmetic number, because the mean of its divisors is an integer number (51167200).

Almost surely, 2^525189012 is an apocalyptic number.

It is an amenable number.

525189012 is an abundant number, since it is smaller than the sum of its proper divisors (702823788).

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

525189012 is a wasteful number, since it uses less digits than its factorization.

525189012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91855 (or 91853 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 525189012 is about 22917.0026835972. The cubic root of 525189012 is about 806.8111232616.

The spelling of 525189012 in words is "five hundred twenty-five million, one hundred eighty-nine thousand, twelve".