24908945 has 4 divisors (see below), whose sum is σ = 29890740. Its totient is φ = 19927152.

The previous prime is 24908879. The next prime is 24908951. The reversal of 24908945 is 54980942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54980942 = 2 ⋅27490471.

It can be written as a sum of positive squares in 2 ways, for example, as 12909649 + 11999296 = 3593^2 + 3464^2 .

It is a cyclic number.

It is not a de Polignac number, because 24908945 - 2¹⁸ = 24646801 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490890 + ... + 2490899.

It is an arithmetic number, because the mean of its divisors is an integer number (7472685).

Almost surely, 2^24908945 is an apocalyptic number.

It is an amenable number.

24908945 is a deficient number, since it is larger than the sum of its proper divisors (4981795).

24908945 is an equidigital number, since it uses as much as digits as its factorization.

24908945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981794.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 24908945 is about 4990.8861938538. The cubic root of 24908945 is about 292.0463467123.

The spelling of 24908945 in words is "twenty-four million, nine hundred eight thousand, nine hundred forty-five".