24947225 has 6 divisors (see below), whose sum is σ = 30934590. Its totient is φ = 19957760.

The previous prime is 24947191. The next prime is 24947327. The reversal of 24947225 is 52274942.

It can be written as a sum of positive squares in 3 ways, for example, as 67081 + 24880144 = 259^2 + 4988^2 .

It is not a de Polignac number, because 24947225 - 2⁸ = 24946969 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 498920 + ... + 498969.

It is an arithmetic number, because the mean of its divisors is an integer number (5155765).

Almost surely, 2^24947225 is an apocalyptic number.

24947225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24947225 is a deficient number, since it is larger than the sum of its proper divisors (5987365).

24947225 is an equidigital number, since it uses as much as digits as its factorization.

24947225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997899 (or 997894 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 24947225 is about 4994.7197118557. The cubic root of 24947225 is about 292.1958754879.

It can be divided in two parts, 249 and 47225, that added together give a palindrome (47474).

The spelling of 24947225 in words is "twenty-four million, nine hundred forty-seven thousand, two hundred twenty-five".