25789148 has 96 divisors (see below), whose sum is σ = 60469248. Its totient is φ = 9331200.

The previous prime is 25789147. The next prime is 25789157. The reversal of 25789148 is 84198752.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 25789099 and 25789108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25789147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353240 + ... + 353312.

It is an arithmetic number, because the mean of its divisors is an integer number (629888).

Almost surely, 2^25789148 is an apocalyptic number.

25789148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25789148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30234624).

25789148 is an abundant number, since it is smaller than the sum of its proper divisors (34680100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25789148 is a wasteful number, since it uses less digits than its factorization.

25789148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 161 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 25789148 is about 5078.3016846186. The cubic root of 25789148 is about 295.4466011506.

The spelling of 25789148 in words is "twenty-five million, seven hundred eighty-nine thousand, one hundred forty-eight".