25243227 has 12 divisors (see below), whose sum is σ = 36518040. Its totient is φ = 16803168.

The previous prime is 25243217. The next prime is 25243237. The reversal of 25243227 is 72234252.

It is an interprime number because it is at equal distance from previous prime (25243217) and next prime (25243237).

It is not a de Polignac number, because 25243227 - 2¹¹ = 25241179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25243227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25243217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5548 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (3043170).

Almost surely, 2^25243227 is an apocalyptic number.

25243227 is a deficient number, since it is larger than the sum of its proper divisors (11274813).

25243227 is a wasteful number, since it uses less digits than its factorization.

25243227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282 (or 4279 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 25243227 is about 5024.2638266715. The cubic root of 25243227 is about 293.3469818317.

Adding to 25243227 its reverse (72234252), we get a palindrome (97477479).

Subtracting 25243227 from its reverse (72234252), we obtain a square (46991025 = 6855²).

The spelling of 25243227 in words is "twenty-five million, two hundred forty-three thousand, two hundred twenty-seven".