25388253 has 48 divisors (see below), whose sum is σ = 42681600. Its totient is φ = 14394240.

The previous prime is 25388249. The next prime is 25388263. The reversal of 25388253 is 35288352.

25388253 is a `hidden beast` number, since 25 + 388 + 253 = 666.

It is not a de Polignac number, because 25388253 - 2² = 25388249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25388203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106108 + ... + 106346.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^25388253 is an apocalyptic number.

It is an amenable number.

25388253 is a deficient number, since it is larger than the sum of its proper divisors (17293347).

25388253 is a wasteful number, since it uses less digits than its factorization.

25388253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 319 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 25388253 is about 5038.6757188769. The cubic root of 25388253 is about 293.9076830796.

Subtracting 25388253 from its reverse (35288352), we obtain a palindrome (9900099).

The spelling of 25388253 in words is "twenty-five million, three hundred eighty-eight thousand, two hundred fifty-three".