25538953 has 8 divisors (see below), whose sum is σ = 28132416. Its totient is φ = 22990800.

The previous prime is 25538927. The next prime is 25538959. The reversal of 25538953 is 35983552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25538953 - 2¹³ = 25530761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25538959) 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 7 ways as a sum of consecutive naturals, for example, 10138 + ... + 12403.

It is an arithmetic number, because the mean of its divisors is an integer number (3516552).

Almost surely, 2^25538953 is an apocalyptic number.

It is an amenable number.

25538953 is a deficient number, since it is larger than the sum of its proper divisors (2593463).

25538953 is a wasteful number, since it uses less digits than its factorization.

25538953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22655.

The product of its digits is 162000, while the sum is 40.

The square root of 25538953 is about 5053.6079191010. The cubic root of 25538953 is about 294.4880635615.

The spelling of 25538953 in words is "twenty-five million, five hundred thirty-eight thousand, nine hundred fifty-three".