2543671572 has 48 divisors (see below), whose sum is σ = 6414647232. Its totient is φ = 779869440.

The previous prime is 2543671463. The next prime is 2543671583. The reversal of 2543671572 is 2751763452.

2543671572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14823 + ... + 72849.

It is an arithmetic number, because the mean of its divisors is an integer number (133638484).

Almost surely, 2^2543671572 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 2543671572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3207323616).

2543671572 is an abundant number, since it is smaller than the sum of its proper divisors (3870975660).

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

2543671572 is a wasteful number, since it uses less digits than its factorization.

2543671572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58328 (or 58326 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 2543671572 is about 50434.8249922611. The cubic root of 2543671572 is about 1365.0660913403.

The spelling of 2543671572 in words is "two billion, five hundred forty-three million, six hundred seventy-one thousand, five hundred seventy-two".