25253173 has 4 divisors (see below), whose sum is σ = 27548928. Its totient is φ = 22957420.

The previous prime is 25253167. The next prime is 25253213. The reversal of 25253173 is 37135252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25253173 - 2¹³ = 25244981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253273) 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 3 ways as a sum of consecutive naturals, for example, 1147861 + ... + 1147882.

It is an arithmetic number, because the mean of its divisors is an integer number (6887232).

Almost surely, 2^25253173 is an apocalyptic number.

It is an amenable number.

25253173 is a deficient number, since it is larger than the sum of its proper divisors (2295755).

25253173 is a wasteful number, since it uses less digits than its factorization.

25253173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295754.

The product of its digits is 6300, while the sum is 28.

The square root of 25253173 is about 5025.2535259427. The cubic root of 25253173 is about 293.3855036627.

The spelling of 25253173 in words is "twenty-five million, two hundred fifty-three thousand, one hundred seventy-three".