25745838 has 8 divisors (see below), whose sum is σ = 51491688. Its totient is φ = 8581944.

The previous prime is 25745833. The next prime is 25745851. The reversal of 25745838 is 83854752.

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

25745838 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 25745838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25745833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2145481 + ... + 2145492.

It is an arithmetic number, because the mean of its divisors is an integer number (6436461).

Almost surely, 2^25745838 is an apocalyptic number.

25745838 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.

25745838 is a wasteful number, since it uses less digits than its factorization.

25745838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290978.

The product of its digits is 268800, while the sum is 42.

The square root of 25745838 is about 5074.0356719282. The cubic root of 25745838 is about 295.2811185992.

The spelling of 25745838 in words is "twenty-five million, seven hundred forty-five thousand, eight hundred thirty-eight".