25532200 has 48 divisors (see below), whose sum is σ = 62496000. Its totient is φ = 9673920.

The previous prime is 25532161. The next prime is 25532281. The reversal of 25532200 is 223552.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 11 ways as a sum of consecutive naturals, for example, 441 + ... + 7159.

It is an arithmetic number, because the mean of its divisors is an integer number (1302000).

Almost surely, 2^25532200 is an apocalyptic number.

25532200 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 25532200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31248000).

25532200 is an abundant number, since it is smaller than the sum of its proper divisors (36963800).

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

25532200 is a wasteful number, since it uses less digits than its factorization.

25532200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754 (or 6745 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25532200 is about 5052.9397384097. The cubic root of 25532200 is about 294.4621051338.

Adding to 25532200 its reverse (223552), we get a palindrome (25755752).

It can be divided in two parts, 2553 and 2200, that added together give a triangular number (4753 = T₉₇).

The spelling of 25532200 in words is "twenty-five million, five hundred thirty-two thousand, two hundred".