2543100 has 108 divisors (see below), whose sum is σ = 8608824. Its totient is φ = 577920.

The previous prime is 2543059. The next prime is 2543111. The reversal of 2543100 is 13452.

2543100 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2543100² = 12934715220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 2543100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14614 + ... + 14786.

2^2543100 is an apocalyptic number.

2543100 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 2543100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4304412).

2543100 is an abundant number, since it is smaller than the sum of its proper divisors (6065724).

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

2543100 is a wasteful number, since it uses less digits than its factorization.

2543100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2543100 is about 1594.7100049852. The cubic root of 2543100 is about 136.4963838621.

Adding to 2543100 its reverse (13452), we get a palindrome (2556552).

The spelling of 2543100 in words is "two million, five hundred forty-three thousand, one hundred".