25823000 has 192 divisors, whose sum is σ = 76826880. Its totient is φ = 8064000.

The previous prime is 25822999. The next prime is 25823011. The reversal of 25823000 is 32852.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 832985 + ... + 833015.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 2^25823000 is an apocalyptic number.

25823000 is a gapful number since it is divisible by the number (20) 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 25823000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38413440).

25823000 is an abundant number, since it is smaller than the sum of its proper divisors (51003880).

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

25823000 is a wasteful number, since it uses less digits than its factorization.

25823000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25823000 is about 5081.6335956068. The cubic root of 25823000 is about 295.5758168115.

Adding to 25823000 its reverse (32852), we get a palindrome (25855852).

The spelling of 25823000 in words is "twenty-five million, eight hundred twenty-three thousand".