24945489 has 10 divisors (see below), whose sum is σ = 37264370. Its totient is φ = 16630272.

The previous prime is 24945469. The next prime is 24945491. The reversal of 24945489 is 98454942.

It can be written as a sum of positive squares in only one way, i.e., 23357889 + 1587600 = 4833^2 + 1260^2 .

It is not a de Polignac number, because 24945489 - 2¹² = 24941393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24945469) 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 9 ways as a sum of consecutive naturals, for example, 153904 + ... + 154065.

It is an arithmetic number, because the mean of its divisors is an integer number (3726437).

Almost surely, 2^24945489 is an apocalyptic number.

It is an amenable number.

24945489 is a deficient number, since it is larger than the sum of its proper divisors (12318881).

24945489 is an equidigital number, since it uses as much as digits as its factorization.

24945489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307981 (or 307972 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 24945489 is about 4994.5459253069. The cubic root of 24945489 is about 292.1890976625.

The spelling of 24945489 in words is "twenty-four million, nine hundred forty-five thousand, four hundred eighty-nine".