24917225 has 6 divisors (see below), whose sum is σ = 30897390. Its totient is φ = 19933760.

The previous prime is 24917213. The next prime is 24917239. The reversal of 24917225 is 52271942.

It can be written as a sum of positive squares in 3 ways, for example, as 1132096 + 23785129 = 1064^2 + 4877^2 .

It is not a de Polignac number, because 24917225 - 2⁴ = 24917209 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 24917191 and 24917200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498320 + ... + 498369.

It is an arithmetic number, because the mean of its divisors is an integer number (5149565).

Almost surely, 2^24917225 is an apocalyptic number.

24917225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24917225 is a deficient number, since it is larger than the sum of its proper divisors (5980165).

24917225 is an equidigital number, since it uses as much as digits as its factorization.

24917225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996699 (or 996694 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 24917225 is about 4991.7156369329. The cubic root of 24917225 is about 292.0787029049.

The spelling of 24917225 in words is "twenty-four million, nine hundred seventeen thousand, two hundred twenty-five".