2643213425 has 12 divisors (see below), whose sum is σ = 3292289280. Its totient is φ = 2105083920.

The previous prime is 2643213421. The next prime is 2643213451. The reversal of 2643213425 is 5243123462.

2643213425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2643213425 - 2² = 2643213421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2643213391 and 2643213400.

It is not an unprimeable number, because it can be changed into a prime (2643213421) 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, 231485 + ... + 242634.

It is an arithmetic number, because the mean of its divisors is an integer number (274357440).

Almost surely, 2^2643213425 is an apocalyptic number.

2643213425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2643213425 is a deficient number, since it is larger than the sum of its proper divisors (649075855).

2643213425 is a wasteful number, since it uses less digits than its factorization.

2643213425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474352 (or 474347 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 2643213425 is about 51412.1914043741. The cubic root of 2643213425 is about 1382.6451794124.

Adding to 2643213425 its reverse (5243123462), we get a palindrome (7886336887).

The spelling of 2643213425 in words is "two billion, six hundred forty-three million, two hundred thirteen thousand, four hundred twenty-five".