25528853 has 12 divisors (see below), whose sum is σ = 30501612. Its totient is φ = 21288960.

The previous prime is 25528829. The next prime is 25528871. The reversal of 25528853 is 35882552.

It can be written as a sum of positive squares in 2 ways, for example, as 22061809 + 3467044 = 4697^2 + 1862^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25528853 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25528813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5228 + ... + 8853.

It is an arithmetic number, because the mean of its divisors is an integer number (2541801).

Almost surely, 2^25528853 is an apocalyptic number.

It is an amenable number.

25528853 is a deficient number, since it is larger than the sum of its proper divisors (4972759).

25528853 is a wasteful number, since it uses less digits than its factorization.

25528853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132 (or 14125 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 25528853 is about 5052.6085342128. The cubic root of 25528853 is about 294.4492376209.

The spelling of 25528853 in words is "twenty-five million, five hundred twenty-eight thousand, eight hundred fifty-three".