25953938 has 8 divisors (see below), whose sum is σ = 38977932. Its totient is φ = 12961296.

The previous prime is 25953937. The next prime is 25953947. The reversal of 25953938 is 83935952.

It can be written as a sum of positive squares in 2 ways, for example, as 25573249 + 380689 = 5057^2 + 617^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25953931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645 + ... + 9152.

Almost surely, 2^25953938 is an apocalyptic number.

25953938 is a deficient number, since it is larger than the sum of its proper divisors (13023994).

25953938 is a wasteful number, since it uses less digits than its factorization.

25953938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15676.

The product of its digits is 291600, while the sum is 44.

The square root of 25953938 is about 5094.5007606241. The cubic root of 25953938 is about 296.0745566391.

The spelling of 25953938 in words is "twenty-five million, nine hundred fifty-three thousand, nine hundred thirty-eight".