25783300825 has 12 divisors (see below), whose sum is σ = 32300897020. Its totient is φ = 20413992960.

The previous prime is 25783300813. The next prime is 25783300861. The reversal of 25783300825 is 52800338752.

It can be written as a sum of positive squares in 6 ways, for example, as 324864576 + 25458436249 = 18024^2 + 159557^2 .

It is not a de Polignac number, because 25783300825 - 2²⁹ = 25246429913 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5313720 + ... + 5318569.

Almost surely, 2^25783300825 is an apocalyptic number.

25783300825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25783300825 is a deficient number, since it is larger than the sum of its proper divisors (6517596195).

25783300825 is a wasteful number, since it uses less digits than its factorization.

25783300825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632396 (or 10632391 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 25783300825 in words is "twenty-five billion, seven hundred eighty-three million, three hundred thousand, eight hundred twenty-five".