2543366025 has 36 divisors (see below), whose sum is σ = 4630155660. Its totient is φ = 1334217600.

The previous prime is 2543366009. The next prime is 2543366027. The reversal of 2543366025 is 5206633452.

2543366025 is a `hidden beast` number, since 2 + 5 + 43 + 3 + 6 + 602 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 155675529 + 2387690496 = 12477^2 + 48864^2 .

It is not a de Polignac number, because 2543366025 - 2⁴ = 2543366009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2543366027) 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 35 ways as a sum of consecutive naturals, for example, 78930 + ... + 106379.

It is an arithmetic number, because the mean of its divisors is an integer number (128615435).

Almost surely, 2^2543366025 is an apocalyptic number.

2543366025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2543366025 is a deficient number, since it is larger than the sum of its proper divisors (2086789635).

2543366025 is a wasteful number, since it uses less digits than its factorization.

2543366025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185386 (or 185378 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 2543366025 is about 50431.7957740947. The cubic root of 2543366025 is about 1365.0114316959.

Adding to 2543366025 its reverse (5206633452), we get a palindrome (7749999477).

The spelling of 2543366025 in words is "two billion, five hundred forty-three million, three hundred sixty-six thousand, twenty-five".