2543501312 has 90 divisors (see below), whose sum is σ = 5595686124. Its totient is φ = 1155235840.

The previous prime is 2543501309. The next prime is 2543501333. The reversal of 2543501312 is 2131053452.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1981823 + ... + 1983105.

Almost surely, 2^2543501312 is an apocalyptic number.

2543501312 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 2543501312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2797843062).

2543501312 is an abundant number, since it is smaller than the sum of its proper divisors (3052184812).

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

2543501312 is an equidigital number, since it uses as much as digits as its factorization.

2543501312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2543501312 is about 50433.1370430196. The cubic root of 2543501312 is about 1365.0356338786.

Adding to 2543501312 its reverse (2131053452), we get a palindrome (4674554764).

The spelling of 2543501312 in words is "two billion, five hundred forty-three million, five hundred one thousand, three hundred twelve".