2543102730 has 80 divisors (see below), whose sum is σ = 7815012480. Its totient is φ = 581279328.

The previous prime is 2543102707. The next prime is 2543102767. The reversal of 2543102730 is 372013452.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2543102694 and 2543102703.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 218590 + ... + 229929.

It is an arithmetic number, because the mean of its divisors is an integer number (97687656).

Almost surely, 2^2543102730 is an apocalyptic number.

2543102730 is an abundant number, since it is smaller than the sum of its proper divisors (5271909750).

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

2543102730 is a wasteful number, since it uses less digits than its factorization.

2543102730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448545 (or 448536 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2543102730 is about 50429.1852997845. The cubic root of 2543102730 is about 1364.9643270474.

The spelling of 2543102730 in words is "two billion, five hundred forty-three million, one hundred two thousand, seven hundred thirty".