525232566 has 64 divisors (see below), whose sum is σ = 1210429440. Its totient is φ = 168644160.

The previous prime is 525232559. The next prime is 525232613. The reversal of 525232566 is 665232525.

525232566 is a `hidden beast` number, since 52 + 523 + 25 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 525232566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439666 + ... + 440858.

It is an arithmetic number, because the mean of its divisors is an integer number (18912960).

Almost surely, 2^525232566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525232566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605214720).

525232566 is an abundant number, since it is smaller than the sum of its proper divisors (685196874).

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

525232566 is a wasteful number, since it uses less digits than its factorization.

525232566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1492 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 525232566 is about 22917.9529190545. The cubic root of 525232566 is about 806.8334256324.

The spelling of 525232566 in words is "five hundred twenty-five million, two hundred thirty-two thousand, five hundred sixty-six".