2643082525 has 6 divisors (see below), whose sum is σ = 3277422362. Its totient is φ = 2114466000.

The previous prime is 2643082523. The next prime is 2643082549. The reversal of 2643082525 is 5252803462.

It can be written as a sum of positive squares in 3 ways, for example, as 563540121 + 2079542404 = 23739^2 + 45602^2 .

It is not a de Polignac number, because 2643082525 - 2¹ = 2643082523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643082523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52861626 + ... + 52861675.

Almost surely, 2^2643082525 is an apocalyptic number.

2643082525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2643082525 is a deficient number, since it is larger than the sum of its proper divisors (634339837).

2643082525 is a wasteful number, since it uses less digits than its factorization.

2643082525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105723311 (or 105723306 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 2643082525 is about 51410.9183442584. The cubic root of 2643082525 is about 1382.6223547652.

Adding to 2643082525 its reverse (5252803462), we get a palindrome (7895885987).

The spelling of 2643082525 in words is "two billion, six hundred forty-three million, eighty-two thousand, five hundred twenty-five".