2643026125 has 32 divisors (see below), whose sum is σ = 3499947360. Its totient is φ = 1985817600.

The previous prime is 2643026123. The next prime is 2643026129. The reversal of 2643026125 is 5216203462.

It can be written as a sum of positive squares in 16 ways, for example, as 1534602276 + 1108423849 = 39174^2 + 33293^2 .

It is not a de Polignac number, because 2643026125 - 2¹ = 2643026123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643026123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1301611 + ... + 1303639.

It is an arithmetic number, because the mean of its divisors is an integer number (109373355).

Almost surely, 2^2643026125 is an apocalyptic number.

2643026125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2643026125 is a deficient number, since it is larger than the sum of its proper divisors (856921235).

2643026125 is a wasteful number, since it uses less digits than its factorization.

2643026125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2643026125 is about 51410.3698197163. The cubic root of 2643026125 is about 1382.6125202311.

Adding to 2643026125 its reverse (5216203462), we get a palindrome (7859229587).

The spelling of 2643026125 in words is "two billion, six hundred forty-three million, twenty-six thousand, one hundred twenty-five".