25235538 has 8 divisors (see below), whose sum is σ = 50471088. Its totient is φ = 8411844.

The previous prime is 25235527. The next prime is 25235543. The reversal of 25235538 is 83553252.

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

25235538 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25235499 and 25235508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102956 + ... + 2102967.

It is an arithmetic number, because the mean of its divisors is an integer number (6308886).

Almost surely, 2^25235538 is an apocalyptic number.

25235538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25235538 is a wasteful number, since it uses less digits than its factorization.

25235538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205928.

The product of its digits is 36000, while the sum is 33.

The square root of 25235538 is about 5023.4985816660. The cubic root of 25235538 is about 293.3171946470.

The spelling of 25235538 in words is "twenty-five million, two hundred thirty-five thousand, five hundred thirty-eight".