25272242 has 16 divisors (see below), whose sum is σ = 40032960. Its totient is φ = 11932272.

The previous prime is 25272241. The next prime is 25272257. The reversal of 25272242 is 24227252.

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 in 7 ways as a sum of consecutive naturals, for example, 13283 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (2502060).

Almost surely, 2^25272242 is an apocalyptic number.

25272242 is a deficient number, since it is larger than the sum of its proper divisors (14760718).

25272242 is a wasteful number, since it uses less digits than its factorization.

25272242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177.

The product of its digits is 4480, while the sum is 26.

The square root of 25272242 is about 5027.1504851158. The cubic root of 25272242 is about 293.4593314886.

Adding to 25272242 its reverse (24227252), we get a palindrome (49499494).

The spelling of 25272242 in words is "twenty-five million, two hundred seventy-two thousand, two hundred forty-two".