525786432 has 56 divisors (see below), whose sum is σ = 1400556000. Its totient is φ = 174076416.

The previous prime is 525786397. The next prime is 525786433. The reversal of 525786432 is 234687525.

It is a super-4 number, since 4×525786432⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525786433) 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, 19419 + ... + 37797.

Almost surely, 2^525786432 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 525786432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700278000).

525786432 is an abundant number, since it is smaller than the sum of its proper divisors (874769568).

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

525786432 is a wasteful number, since it uses less digits than its factorization.

525786432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18543 (or 18533 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 525786432 is about 22930.0334059940. The cubic root of 525786432 is about 807.1169321799.

The spelling of 525786432 in words is "five hundred twenty-five million, seven hundred eighty-six thousand, four hundred thirty-two".