24997117 has 4 divisors (see below), whose sum is σ = 25034400. Its totient is φ = 24959836.

The previous prime is 24997111. The next prime is 24997127. The reversal of 24997117 is 71179942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24997117 - 2¹⁵ = 24964349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24997117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24997111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17617 + ... + 18982.

It is an arithmetic number, because the mean of its divisors is an integer number (6258600).

Almost surely, 2^24997117 is an apocalyptic number.

It is an amenable number.

24997117 is a deficient number, since it is larger than the sum of its proper divisors (37283).

24997117 is an equidigital number, since it uses as much as digits as its factorization.

24997117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37282.

The product of its digits is 31752, while the sum is 40.

The square root of 24997117 is about 4999.7116916878. The cubic root of 24997117 is about 292.3905334650.

The spelling of 24997117 in words is "twenty-four million, nine hundred ninety-seven thousand, one hundred seventeen".