25745000 has 80 divisors (see below), whose sum is σ = 63729600. Its totient is φ = 9720000.

The previous prime is 25744997. The next prime is 25745009. The reversal of 25745000 is 54752.

It is not an unprimeable number, because it can be changed into a prime (25745009) 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 19 ways as a sum of consecutive naturals, for example, 94865 + ... + 95135.

It is an arithmetic number, because the mean of its divisors is an integer number (796620).

Almost surely, 2^25745000 is an apocalyptic number.

25745000 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 25745000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31864800).

25745000 is an abundant number, since it is smaller than the sum of its proper divisors (37984600).

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

25745000 is a wasteful number, since it uses less digits than its factorization.

25745000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 25745000 is about 5073.9530939889. The cubic root of 25745000 is about 295.2779148677.

Adding to 25745000 its reverse (54752), we get a palindrome (25799752).

The spelling of 25745000 in words is "twenty-five million, seven hundred forty-five thousand".