24949 has 4 divisors (see below), whose sum is σ = 25420. Its totient is φ = 24480.

The previous prime is 24943. The next prime is 24953. The reversal of 24949 is 94942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11025 + 13924 = 105^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 24949 - 2⁵ = 24917 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24943) 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, 144 + ... + 265.

It is an arithmetic number, because the mean of its divisors is an integer number (6355).

2²⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

24949 is a deficient number, since it is larger than the sum of its proper divisors (471).

24949 is an equidigital number, since it uses as much as digits as its factorization.

24949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470.

The product of its digits is 2592, while the sum is 28.

The square root of 24949 is about 157.9525245129. The cubic root of 24949 is about 29.2202805255.

The spelling of 24949 in words is "twenty-four thousand, nine hundred forty-nine".