2528161524 has 96 divisors (see below), whose sum is σ = 7509196800. Its totient is φ = 720563040.

The previous prime is 2528161513. The next prime is 2528161529. The reversal of 2528161524 is 4251618252.

2528161524 is a `hidden beast` number, since 2 + 52 + 81 + 6 + 1 + 524 = 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 (2528161529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321957 + ... + 329715.

It is an arithmetic number, because the mean of its divisors is an integer number (78220800).

Almost surely, 2^2528161524 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 2528161524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754598400).

2528161524 is an abundant number, since it is smaller than the sum of its proper divisors (4981035276).

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

2528161524 is a wasteful number, since it uses less digits than its factorization.

2528161524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210 (or 8202 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2528161524 is about 50280.8266041838. The cubic root of 2528161524 is about 1362.2859342621.

Adding to 2528161524 its reverse (4251618252), we get a palindrome (6779779776).

The spelling of 2528161524 in words is "two billion, five hundred twenty-eight million, one hundred sixty-one thousand, five hundred twenty-four".