25672244 has 48 divisors (see below), whose sum is σ = 51882768. Its totient is φ = 11010048.

The previous prime is 25672243. The next prime is 25672259. The reversal of 25672244 is 44227652.

It can be written as a sum of positive squares in 8 ways, for example, as 48400 + 25623844 = 220^2 + 5062^2 .

It is a super-2 number, since 2×25672244² = 1318128223991072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25672244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672243) 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 15 ways as a sum of consecutive naturals, for example, 99764 + ... + 100020.

It is an arithmetic number, because the mean of its divisors is an integer number (1080891).

Almost surely, 2^25672244 is an apocalyptic number.

It is an amenable number.

25672244 is an abundant number, since it is smaller than the sum of its proper divisors (26210524).

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

25672244 is a wasteful number, since it uses less digits than its factorization.

25672244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 25672244 is about 5066.7784636789. The cubic root of 25672244 is about 294.9994982276. Note that the first 3 decimals are identical.

Adding to 25672244 its reverse (44227652), we get a palindrome (69899896).

The spelling of 25672244 in words is "twenty-five million, six hundred seventy-two thousand, two hundred forty-four".