525162816 has 84 divisors (see below), whose sum is σ = 1553894784. Its totient is φ = 169401600.

The previous prime is 525162811. The next prime is 525162839. The reversal of 525162816 is 618261525.

525162816 is a `hidden beast` number, since 5 + 25 + 1 + 628 + 1 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525162811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3151 + ... + 32561.

Almost surely, 2^525162816 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 525162816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776947392).

525162816 is an abundant number, since it is smaller than the sum of its proper divisors (1028731968).

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

525162816 is a wasteful number, since it uses less digits than its factorization.

525162816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29460 (or 29447 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 525162816 is about 22916.4311357593. The cubic root of 525162816 is about 806.7977086781.

The spelling of 525162816 in words is "five hundred twenty-five million, one hundred sixty-two thousand, eight hundred sixteen".