525372432 has 80 divisors (see below), whose sum is σ = 1468447680. Its totient is φ = 160897536.

The previous prime is 525372427. The next prime is 525372433. The reversal of 525372432 is 234273525.

It is a junction number, because it is equal to n+sod(n) for n = 525372393 and 525372402.

It is not an unprimeable number, because it can be changed into a prime (525372433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139794 + ... + 143502.

It is an arithmetic number, because the mean of its divisors is an integer number (18355596).

Almost surely, 2^525372432 is an apocalyptic number.

525372432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525372432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734223840).

525372432 is an abundant number, since it is smaller than the sum of its proper divisors (943075248).

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

525372432 is a wasteful number, since it uses less digits than its factorization.

525372432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3954 counting only the distinct ones).

The product of its digits is 50400, while the sum is 33.

The square root of 525372432 is about 22921.0041664845. The cubic root of 525372432 is about 806.9050374325.

The spelling of 525372432 in words is "five hundred twenty-five million, three hundred seventy-two thousand, four hundred thirty-two".