525875616 has 144 divisors (see below), whose sum is σ = 1799179200. Its totient is φ = 142331904.

The previous prime is 525875591. The next prime is 525875617. The reversal of 525875616 is 616578525.

525875616 is a `hidden beast` number, since 5 + 2 + 5 + 87 + 561 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (525875617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31440 + ... + 45168.

It is an arithmetic number, because the mean of its divisors is an integer number (12494300).

Almost surely, 2^525875616 is an apocalyptic number.

525875616 is a gapful number since it is divisible by the number (56) 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 525875616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899589600).

525875616 is an abundant number, since it is smaller than the sum of its proper divisors (1273303584).

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

525875616 is a wasteful number, since it uses less digits than its factorization.

525875616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13771 (or 13760 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 525875616 is about 22931.9780219675. The cubic root of 525875616 is about 807.1625640453.

The spelling of 525875616 in words is "five hundred twenty-five million, eight hundred seventy-five thousand, six hundred sixteen".