525756132 has 108 divisors (see below), whose sum is σ = 1473128748. Its totient is φ = 157977600.

The previous prime is 525756089. The next prime is 525756151. The reversal of 525756132 is 231657525.

525756132 is a `hidden beast` number, since 52 + 575 + 6 + 1 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 193933476 + 331822656 = 13926^2 + 18216^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (63000) is a multiple of the sum of its prime factors (1050).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 596332 + ... + 597212.

It is an arithmetic number, because the mean of its divisors is an integer number (13640081).

Almost surely, 2^525756132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525756132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736564374).

525756132 is an abundant number, since it is smaller than the sum of its proper divisors (947372616).

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

525756132 is a wasteful number, since it uses less digits than its factorization.

525756132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1034 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 525756132 is about 22929.3726909395. The cubic root of 525756132 is about 807.1014277144.

It can be divided in two parts, 525 and 756132, that added together give a palindrome (756657).

The spelling of 525756132 in words is "five hundred twenty-five million, seven hundred fifty-six thousand, one hundred thirty-two".