25878853 has 32 divisors (see below), whose sum is σ = 35223552. Its totient is φ = 18360000.

The previous prime is 25878803. The next prime is 25878857. The reversal of 25878853 is 35887852.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25878853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25878857) by changing a digit.

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, 102978 + ... + 103228.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^25878853 is an apocalyptic number.

It is an amenable number.

25878853 is a deficient number, since it is larger than the sum of its proper divisors (9344699).

25878853 is a wasteful number, since it uses less digits than its factorization.

25878853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 537600, while the sum is 46.

The square root of 25878853 is about 5087.1262024841. The cubic root of 25878853 is about 295.7887653198.

It can be divided in two parts, 25 and 878853, that added together give a palindrome (878878).

The spelling of 25878853 in words is "twenty-five million, eight hundred seventy-eight thousand, eight hundred fifty-three".