24840253 has 6 divisors (see below), whose sum is σ = 25967774. Its totient is φ = 23759736.

The previous prime is 24840251. The next prime is 24840313. The reversal of 24840253 is 35204842.

It can be written as a sum of positive squares in only one way, i.e., 18896409 + 5943844 = 4347^2 + 2438^2 .

It is not a de Polignac number, because 24840253 - 2¹ = 24840251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24840251) by changing a digit.

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, 22950 + ... + 24007.

Almost surely, 2^24840253 is an apocalyptic number.

24840253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

24840253 is a deficient number, since it is larger than the sum of its proper divisors (1127521).

24840253 is an equidigital number, since it uses as much as digits as its factorization.

24840253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47003 (or 46980 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 24840253 is about 4983.9996990369. Note that the first 3 decimals coincide. The cubic root of 24840253 is about 291.7776384620. Note that the first 3 decimals are identical.

The spelling of 24840253 in words is "twenty-four million, eight hundred forty thousand, two hundred fifty-three".