2552532312 has 128 divisors (see below), whose sum is σ = 7305246720. Its totient is φ = 736128000.

The previous prime is 2552532277. The next prime is 2552532317. The reversal of 2552532312 is 2132352552.

It is a self number, because there is not a number n which added to its sum of digits gives 2552532312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552532317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496668 + ... + 501780.

It is an arithmetic number, because the mean of its divisors is an integer number (57072240).

Almost surely, 2^2552532312 is an apocalyptic number.

2552532312 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 2552532312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3652623360).

2552532312 is an abundant number, since it is smaller than the sum of its proper divisors (4752714408).

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

2552532312 is a wasteful number, since it uses less digits than its factorization.

2552532312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225 (or 5221 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 2552532312 is about 50522.5920950222. The cubic root of 2552532312 is about 1366.6492986358.

Adding to 2552532312 its reverse (2132352552), we get a palindrome (4684884864).

The spelling of 2552532312 in words is "two billion, five hundred fifty-two million, five hundred thirty-two thousand, three hundred twelve".