24853985 has 24 divisors (see below), whose sum is σ = 32852160. Its totient is φ = 18038592.

The previous prime is 24853981. The next prime is 24853991. The reversal of 24853985 is 58935842.

It is not a de Polignac number, because 24853985 - 2² = 24853981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24853981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56396 + ... + 56834.

It is an arithmetic number, because the mean of its divisors is an integer number (1368840).

Almost surely, 2^24853985 is an apocalyptic number.

It is an amenable number.

24853985 is a deficient number, since it is larger than the sum of its proper divisors (7998175).

24853985 is a wasteful number, since it uses less digits than its factorization.

24853985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 524 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 24853985 is about 4985.3771171297. The cubic root of 24853985 is about 291.8313946569.

The spelling of 24853985 in words is "twenty-four million, eight hundred fifty-three thousand, nine hundred eighty-five".