25172853 has 16 divisors (see below), whose sum is σ = 35448000. Its totient is φ = 15845760.

The previous prime is 25172843. The next prime is 25172867. The reversal of 25172853 is 35827152.

It is not a de Polignac number, because 25172853 - 2⁶ = 25172789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25172803) 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 15 ways as a sum of consecutive naturals, for example, 23473 + ... + 24521.

It is an arithmetic number, because the mean of its divisors is an integer number (2215500).

Almost surely, 2^25172853 is an apocalyptic number.

It is an amenable number.

25172853 is a deficient number, since it is larger than the sum of its proper divisors (10275147).

25172853 is a wasteful number, since it uses less digits than its factorization.

25172853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492.

The product of its digits is 16800, while the sum is 33.

The square root of 25172853 is about 5017.2555246868. The cubic root of 25172853 is about 293.0741269347.

The spelling of 25172853 in words is "twenty-five million, one hundred seventy-two thousand, eight hundred fifty-three".