525865632 has 48 divisors (see below), whose sum is σ = 1388705472. Its totient is φ = 174233600.

The previous prime is 525865609. The next prime is 525865651. The reversal of 525865632 is 236568525.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369 + ... + 32432.

It is an arithmetic number, because the mean of its divisors is an integer number (28931364).

Almost surely, 2^525865632 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 525865632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694352736).

525865632 is an abundant number, since it is smaller than the sum of its proper divisors (862839840).

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

525865632 is a wasteful number, since it uses less digits than its factorization.

525865632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32981 (or 32973 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 525865632 is about 22931.7603336508. The cubic root of 525865632 is about 807.1574558906.

The spelling of 525865632 in words is "five hundred twenty-five million, eight hundred sixty-five thousand, six hundred thirty-two".