25138895 has 8 divisors (see below), whose sum is σ = 30254256. Its totient is φ = 20052736.

The previous prime is 25138871. The next prime is 25138943. The reversal of 25138895 is 59883152.

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 25138895 - 2¹⁶ = 25073359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5357 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (3781782).

Almost surely, 2^25138895 is an apocalyptic number.

25138895 is a deficient number, since it is larger than the sum of its proper divisors (5115361).

25138895 is a wasteful number, since it uses less digits than its factorization.

25138895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14601.

The product of its digits is 86400, while the sum is 41.

The square root of 25138895 is about 5013.8702615844. The cubic root of 25138895 is about 292.9422826590.

The spelling of 25138895 in words is "twenty-five million, one hundred thirty-eight thousand, eight hundred ninety-five".