25797448 has 16 divisors (see below), whose sum is σ = 48799980. Its totient is φ = 12784128.

The previous prime is 25797439. The next prime is 25797461. The reversal of 25797448 is 84479752.

It can be written as a sum of positive squares in 2 ways, for example, as 19027044 + 6770404 = 4362^2 + 2602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25797398 and 25797407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13365 + ... + 15172.

Almost surely, 2^25797448 is an apocalyptic number.

It is an amenable number.

25797448 is a deficient number, since it is larger than the sum of its proper divisors (23002532).

25797448 is a wasteful number, since it uses less digits than its factorization.

25797448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28656 (or 28652 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 25797448 is about 5079.1188212130. The cubic root of 25797448 is about 295.4782933409.

It can be divided in two parts, 2579744 and 8, that added together give a palindrome (2579752).

The spelling of 25797448 in words is "twenty-five million, seven hundred ninety-seven thousand, four hundred forty-eight".