25775134 has 64 divisors (see below), whose sum is σ = 53084160. Its totient is φ = 9076320.

The previous prime is 25775117. The next prime is 25775143. The reversal of 25775134 is 43157752.

It is a self number, because there is not a number n which added to its sum of digits gives 25775134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67107 + ... + 67489.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 2^25775134 is an apocalyptic number.

25775134 is an abundant number, since it is smaller than the sum of its proper divisors (27309026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25775134 is a wasteful number, since it uses less digits than its factorization.

25775134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 29400, while the sum is 34.

The square root of 25775134 is about 5076.9217051280. The cubic root of 25775134 is about 295.3930755505.

The spelling of 25775134 in words is "twenty-five million, seven hundred seventy-five thousand, one hundred thirty-four".