25000243 has 8 divisors (see below), whose sum is σ = 25660976. Its totient is φ = 24343200.

The previous prime is 25000231. The next prime is 25000267. The reversal of 25000243 is 34200052.

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

It is a cyclic number.

It is not a de Polignac number, because 25000243 - 2⁵ = 25000211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17413 + ... + 18793.

It is an arithmetic number, because the mean of its divisors is an integer number (3207622).

Almost surely, 2^25000243 is an apocalyptic number.

25000243 is a deficient number, since it is larger than the sum of its proper divisors (660733).

25000243 is a wasteful number, since it uses less digits than its factorization.

25000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 25000243 is about 5000.0242999410. The cubic root of 25000243 is about 292.4027212000.

Adding to 25000243 its reverse (34200052), we get a palindrome (59200295).

The spelling of 25000243 in words is "twenty-five million, two hundred forty-three", and thus it is an aban number.