25224271 has 2 divisors, whose sum is σ = 25224272. Its totient is φ = 25224270.

The previous prime is 25224263. The next prime is 25224313. The reversal of 25224271 is 17242252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25224271 - 2³ = 25224263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25224971) 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 as a sum of consecutive naturals, namely, 12612135 + 12612136.

It is an arithmetic number, because the mean of its divisors is an integer number (12612136).

Almost surely, 2^25224271 is an apocalyptic number.

25224271 is a deficient number, since it is larger than the sum of its proper divisors (1).

25224271 is an equidigital number, since it uses as much as digits as its factorization.

25224271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 25.

The square root of 25224271 is about 5022.3770268669. The cubic root of 25224271 is about 293.2735353600.

The spelling of 25224271 in words is "twenty-five million, two hundred twenty-four thousand, two hundred seventy-one".