25365138 has 8 divisors (see below), whose sum is σ = 50730288. Its totient is φ = 8455044.

The previous prime is 25365127. The next prime is 25365143. The reversal of 25365138 is 83156352.

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

25365138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25365099 and 25365108.

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, 2113756 + ... + 2113767.

It is an arithmetic number, because the mean of its divisors is an integer number (6341286).

Almost surely, 2^25365138 is an apocalyptic number.

25365138 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.

25365138 is a wasteful number, since it uses less digits than its factorization.

25365138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227528.

The product of its digits is 21600, while the sum is 33.

The square root of 25365138 is about 5036.3814390890. The cubic root of 25365138 is about 293.8184588896.

The spelling of 25365138 in words is "twenty-five million, three hundred sixty-five thousand, one hundred thirty-eight".