25545300 has 72 divisors (see below), whose sum is σ = 80640672. Its totient is φ = 6192000.

The previous prime is 25545283. The next prime is 25545323. The reversal of 25545300 is 354552.

It is a congruent number.

It is an unprimeable number.

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, 571 + ... + 7170.

Almost surely, 2^25545300 is an apocalyptic number.

25545300 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 25545300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40320336).

25545300 is an abundant number, since it is smaller than the sum of its proper divisors (55095372).

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

25545300 is a wasteful number, since it uses less digits than its factorization.

25545300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769 (or 7762 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25545300 is about 5054.2358472869. The cubic root of 25545300 is about 294.5124571604.

Adding to 25545300 its reverse (354552), we get a palindrome (25899852).

The spelling of 25545300 in words is "twenty-five million, five hundred forty-five thousand, three hundred".