25200243 has 24 divisors (see below), whose sum is σ = 37346400. Its totient is φ = 16369920.

The previous prime is 25200233. The next prime is 25200269. The reversal of 25200243 is 34200252.

It is not a de Polignac number, because 25200243 - 2⁹ = 25199731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25200223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72033 + ... + 72381.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^25200243 is an apocalyptic number.

25200243 is a deficient number, since it is larger than the sum of its proper divisors (12146157).

25200243 is a wasteful number, since it uses less digits than its factorization.

25200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 25200243 is about 5019.9843625254. The cubic root of 25200243 is about 293.1803841351.

Adding to 25200243 its reverse (34200252), we get a palindrome (59400495).

Subtracting 25200243 from its reverse (34200252), we obtain a palindrome (9000009).

The spelling of 25200243 in words is "twenty-five million, two hundred thousand, two hundred forty-three".