25214243 has 4 divisors (see below), whose sum is σ = 25224288. Its totient is φ = 25204200.

The previous prime is 25214239. The next prime is 25214249. The reversal of 25214243 is 34241252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25214243 - 2² = 25214239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25214249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2393 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (6306072).

Almost surely, 2^25214243 is an apocalyptic number.

25214243 is a deficient number, since it is larger than the sum of its proper divisors (10045).

25214243 is an equidigital number, since it uses as much as digits as its factorization.

25214243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044.

The product of its digits is 1920, while the sum is 23.

The square root of 25214243 is about 5021.3785955652. The cubic root of 25214243 is about 293.2346662244.

Adding to 25214243 its reverse (34241252), we get a palindrome (59455495).

The spelling of 25214243 in words is "twenty-five million, two hundred fourteen thousand, two hundred forty-three".