2543971060 has 48 divisors (see below), whose sum is σ = 5535326160. Its totient is φ = 980940800.

The previous prime is 2543971049. The next prime is 2543971063. The reversal of 2543971060 is 601793452.

It can be written as a sum of positive squares in 8 ways, for example, as 555167844 + 1988803216 = 23562^2 + 44596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543971063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403452 + ... + 409708.

It is an arithmetic number, because the mean of its divisors is an integer number (115319295).

Almost surely, 2^2543971060 is an apocalyptic number.

2543971060 is a gapful number since it is divisible by the number (20) 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 2543971060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767663080).

2543971060 is an abundant number, since it is smaller than the sum of its proper divisors (2991355100).

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

2543971060 is a wasteful number, since it uses less digits than its factorization.

2543971060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6994 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2543971060 is about 50437.7939644469. The cubic root of 2543971060 is about 1365.1196628357.

The spelling of 2543971060 in words is "two billion, five hundred forty-three million, nine hundred seventy-one thousand, sixty".