25272246 has 16 divisors (see below), whose sum is σ = 50709744. Its totient is φ = 8396544.

The previous prime is 25272241. The next prime is 25272257. The reversal of 25272246 is 64227252.

It is a Curzon number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4851 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (3169359).

Almost surely, 2^25272246 is an apocalyptic number.

25272246 is an abundant number, since it is smaller than the sum of its proper divisors (25437498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25272246 is a wasteful number, since it uses less digits than its factorization.

25272246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13775.

The product of its digits is 13440, while the sum is 30.

The square root of 25272246 is about 5027.1508829555. The cubic root of 25272246 is about 293.4593469712.

Adding to 25272246 its reverse (64227252), we get a palindrome (89499498).

The spelling of 25272246 in words is "twenty-five million, two hundred seventy-two thousand, two hundred forty-six".