25687675 has 12 divisors (see below), whose sum is σ = 34303360. Its totient is φ = 18969120.

The previous prime is 25687661. The next prime is 25687679. The reversal of 25687675 is 57678652.

It is not a de Polignac number, because 25687675 - 2¹³ = 25679483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25687679) 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 11 ways as a sum of consecutive naturals, for example, 39195 + ... + 39844.

Almost surely, 2^25687675 is an apocalyptic number.

25687675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25687675 is a deficient number, since it is larger than the sum of its proper divisors (8615685).

25687675 is a wasteful number, since it uses less digits than its factorization.

25687675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79062 (or 79057 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 25687675 is about 5068.3009973757. The cubic root of 25687675 is about 295.0585922112.

It can be divided in two parts, 25687 and 675, that added together give a palindrome (26362).

The spelling of 25687675 in words is "twenty-five million, six hundred eighty-seven thousand, six hundred seventy-five".