25897838 has 8 divisors (see below), whose sum is σ = 38987832. Its totient is φ = 12901896.

The previous prime is 25897829. The next prime is 25897847. The reversal of 25897838 is 83879852.

It is an interprime number because it is at equal distance from previous prime (25897829) and next prime (25897847).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22820 + ... + 23927.

It is an arithmetic number, because the mean of its divisors is an integer number (4873479).

Almost surely, 2^25897838 is an apocalyptic number.

25897838 is a deficient number, since it is larger than the sum of its proper divisors (13089994).

25897838 is a wasteful number, since it uses less digits than its factorization.

25897838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47026.

The product of its digits is 967680, while the sum is 50.

The square root of 25897838 is about 5088.9918451497. The cubic root of 25897838 is about 295.8610788939.

The spelling of 25897838 in words is "twenty-five million, eight hundred ninety-seven thousand, eight hundred thirty-eight".