2543126225 has 12 divisors (see below), whose sum is σ = 3191472816. Its totient is φ = 2009987280.

The previous prime is 2543126221. The next prime is 2543126233. The reversal of 2543126225 is 5226213452.

It is not a de Polignac number, because 2543126225 - 2² = 2543126221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2543126191 and 2543126200.

It is not an unprimeable number, because it can be changed into a prime (2543126221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610727 + ... + 614876.

It is an arithmetic number, because the mean of its divisors is an integer number (265956068).

Almost surely, 2^2543126225 is an apocalyptic number.

2543126225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2543126225 is a deficient number, since it is larger than the sum of its proper divisors (648346591).

2543126225 is a wasteful number, since it uses less digits than its factorization.

2543126225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225696 (or 1225691 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 2543126225 is about 50429.4182496685. The cubic root of 2543126225 is about 1364.9685305397.

Adding to 2543126225 its reverse (5226213452), we get a palindrome (7769339677).

The spelling of 2543126225 in words is "two billion, five hundred forty-three million, one hundred twenty-six thousand, two hundred twenty-five".