25448700 has 72 divisors (see below), whose sum is σ = 75463920. Its totient is φ = 6617600.

The previous prime is 25448693. The next prime is 25448707. The reversal of 25448700 is 784452.

It is an interprime number because it is at equal distance from previous prime (25448693) and next prime (25448707).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25448707) 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 23 ways as a sum of consecutive naturals, for example, 11266 + ... + 13334.

It is an arithmetic number, because the mean of its divisors is an integer number (1048110).

Almost surely, 2^25448700 is an apocalyptic number.

25448700 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 25448700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37731960).

25448700 is an abundant number, since it is smaller than the sum of its proper divisors (50015220).

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

25448700 is a wasteful number, since it uses less digits than its factorization.

25448700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 25448700 is about 5044.6704550446. The cubic root of 25448700 is about 294.1407535572.

The spelling of 25448700 in words is "twenty-five million, four hundred forty-eight thousand, seven hundred".