25260250025 has 24 divisors (see below), whose sum is σ = 33085096704. Its totient is φ = 19101499200.

The previous prime is 25260250007. The next prime is 25260250027. The reversal of 25260250025 is 52005206252.

It is not a de Polignac number, because 25260250025 - 2⁶ = 25260249961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25260250025.

It is not an unprimeable number, because it can be changed into a prime (25260250027) 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 23 ways as a sum of consecutive naturals, for example, 345674 + ... + 412323.

It is an arithmetic number, because the mean of its divisors is an integer number (1378545696).

Almost surely, 2^25260250025 is an apocalyptic number.

25260250025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25260250025 is a deficient number, since it is larger than the sum of its proper divisors (7824846679).

25260250025 is a wasteful number, since it uses less digits than its factorization.

25260250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758081 (or 758076 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 25260250025 its reverse (52005206252), we get a palindrome (77265456277).

The spelling of 25260250025 in words is "twenty-five billion, two hundred sixty million, two hundred fifty thousand, twenty-five".