25244012 has 12 divisors (see below), whose sum is σ = 44425080. Its totient is φ = 12551136.

The previous prime is 25244003. The next prime is 25244033. The reversal of 25244012 is 21044252.

It is a happy number.

It is a super-2 number, since 2×25244012² = 1274520283712288, which contains 22 as substring.

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, 16913 + ... + 18344.

It is an arithmetic number, because the mean of its divisors is an integer number (3702090).

Almost surely, 2^25244012 is an apocalyptic number.

It is an amenable number.

25244012 is a deficient number, since it is larger than the sum of its proper divisors (19181068).

25244012 is a wasteful number, since it uses less digits than its factorization.

25244012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35440 (or 35438 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 25244012 is about 5024.3419469618. The cubic root of 25244012 is about 293.3500225812.

Adding to 25244012 its reverse (21044252), we get a palindrome (46288264).

The spelling of 25244012 in words is "twenty-five million, two hundred forty-four thousand, twelve".