525612528 has 240 divisors, whose sum is σ = 1830329280. Its totient is φ = 137355264.

The previous prime is 525612509. The next prime is 525612541. The reversal of 525612528 is 825216525.

It is a happy number.

525612528 is a `hidden beast` number, since 52 + 561 + 25 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 525612492 and 525612501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633618 + ... + 634446.

It is an arithmetic number, because the mean of its divisors is an integer number (7626372).

Almost surely, 2^525612528 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 525612528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915164640).

525612528 is an abundant number, since it is smaller than the sum of its proper divisors (1304716752).

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

525612528 is a wasteful number, since it uses less digits than its factorization.

525612528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 895 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 525612528 is about 22926.2410351108. The cubic root of 525612528 is about 807.0279376554.

The spelling of 525612528 in words is "five hundred twenty-five million, six hundred twelve thousand, five hundred twenty-eight".