2543123325 has 24 divisors (see below), whose sum is σ = 4215949408. Its totient is φ = 1352681280.

The previous prime is 2543123321. The next prime is 2543123351. The reversal of 2543123325 is 5233213452.

It is not a de Polignac number, because 2543123325 - 2² = 2543123321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2543123292 and 2543123301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543123321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17479 + ... + 73428.

Almost surely, 2^2543123325 is an apocalyptic number.

2543123325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2543123325 is a deficient number, since it is larger than the sum of its proper divisors (1672826083).

2543123325 is a wasteful number, since it uses less digits than its factorization.

2543123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91293 (or 91288 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 2543123325 is about 50429.3894966021. The cubic root of 2543123325 is about 1364.9680117019.

Adding to 2543123325 its reverse (5233213452), we get a palindrome (7776336777).

The spelling of 2543123325 in words is "two billion, five hundred forty-three million, one hundred twenty-three thousand, three hundred twenty-five".