25267845625 has 40 divisors (see below), whose sum is σ = 34860915936. Its totient is φ = 18154800000.

The previous prime is 25267845623. The next prime is 25267845641. The reversal of 25267845625 is 52654876252.

It is not a de Polignac number, because 25267845625 - 2¹ = 25267845623 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25267845623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 548485 + ... + 592765.

Almost surely, 2^25267845625 is an apocalyptic number.

25267845625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25267845625 is a deficient number, since it is larger than the sum of its proper divisors (9593070311).

25267845625 is an equidigital number, since it uses as much as digits as its factorization.

25267845625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44395 (or 44380 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 52.

The spelling of 25267845625 in words is "twenty-five billion, two hundred sixty-seven million, eight hundred forty-five thousand, six hundred twenty-five".