2543004002 has 48 divisors (see below), whose sum is σ = 4799644416. Its totient is φ = 989155200.

The previous prime is 2543003959. The next prime is 2543004053. The reversal of 2543004002 is 2004003452.

It is a super-3 number, since 3×2543004002³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1867802 + ... + 1869162.

It is an arithmetic number, because the mean of its divisors is an integer number (99992592).

Almost surely, 2^2543004002 is an apocalyptic number.

2543004002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2543004002 is a deficient number, since it is larger than the sum of its proper divisors (2256640414).

2543004002 is a wasteful number, since it uses less digits than its factorization.

2543004002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2543004002 is about 50428.2064126814. The cubic root of 2543004002 is about 1364.9466633303.

Adding to 2543004002 its reverse (2004003452), we get a palindrome (4547007454).

The spelling of 2543004002 in words is "two billion, five hundred forty-three million, four thousand, two".