25530200 has 48 divisors (see below), whose sum is σ = 59962680. Its totient is φ = 10108160.

The previous prime is 25530191. The next prime is 25530247. The reversal of 25530200 is 203552.

It is a super-2 number, since 2×25530200² = 1303582224080000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20804 + ... + 21996.

Almost surely, 2^25530200 is an apocalyptic number.

25530200 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 25530200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29981340).

25530200 is an abundant number, since it is smaller than the sum of its proper divisors (34432480).

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

25530200 is a wasteful number, since it uses less digits than its factorization.

25530200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 25530200 is about 5052.7418299375. The cubic root of 25530200 is about 294.4544162861.

Adding to 25530200 its reverse (203552), we get a palindrome (25733752).

The spelling of 25530200 in words is "twenty-five million, five hundred thirty thousand, two hundred".