25272244 has 6 divisors (see below), whose sum is σ = 44226434. Its totient is φ = 12636120.

The previous prime is 25272241. The next prime is 25272257. The reversal of 25272244 is 44227252.

It can be written as a sum of positive squares in only one way, i.e., 25120144 + 152100 = 5012^2 + 390^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25272241) 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 as a sum of consecutive naturals, namely, 3159027 + ... + 3159034.

Almost surely, 2^25272244 is an apocalyptic number.

It is an amenable number.

25272244 is a deficient number, since it is larger than the sum of its proper divisors (18954190).

25272244 is a wasteful number, since it uses less digits than its factorization.

25272244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318065 (or 6318063 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 25272244 is about 5027.1506840356. The cubic root of 25272244 is about 293.4593392299.

Adding to 25272244 its reverse (44227252), we get a palindrome (69499496).

The spelling of 25272244 in words is "twenty-five million, two hundred seventy-two thousand, two hundred forty-four".