25365243 has 8 divisors (see below), whose sum is σ = 33854800. Its totient is φ = 16892928.

The previous prime is 25365233. The next prime is 25365257. The reversal of 25365243 is 34256352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25365243 - 2⁵ = 25365211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25365243.

It is not an unprimeable number, because it can be changed into a prime (25365233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (4231850).

Almost surely, 2^25365243 is an apocalyptic number.

25365243 is a deficient number, since it is larger than the sum of its proper divisors (8489557).

25365243 is a wasteful number, since it uses less digits than its factorization.

25365243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621.

The product of its digits is 21600, while the sum is 30.

The square root of 25365243 is about 5036.3918632291. The cubic root of 25365243 is about 293.8188643135.

The spelling of 25365243 in words is "twenty-five million, three hundred sixty-five thousand, two hundred forty-three".