2528915532 has 96 divisors (see below), whose sum is σ = 6944421120. Its totient is φ = 706164480.

The previous prime is 2528915453. The next prime is 2528915549. The reversal of 2528915532 is 2355198252.

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, 1514394 + ... + 1516062.

It is an arithmetic number, because the mean of its divisors is an integer number (72337720).

Almost surely, 2^2528915532 is an apocalyptic number.

2528915532 is a gapful number since it is divisible by the number (22) 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 2528915532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472210560).

2528915532 is an abundant number, since it is smaller than the sum of its proper divisors (4415505588).

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

2528915532 is a wasteful number, since it uses less digits than its factorization.

2528915532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2581 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 2528915532 is about 50288.3240126374. The cubic root of 2528915532 is about 1362.4213518219.

The spelling of 2528915532 in words is "two billion, five hundred twenty-eight million, nine hundred fifteen thousand, five hundred thirty-two".