24813985 has 16 divisors (see below), whose sum is σ = 34128000. Its totient is φ = 16966656.

The previous prime is 24813961. The next prime is 24813989. The reversal of 24813985 is 58931842.

It is not a de Polignac number, because 24813985 - 2⁵ = 24813953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24813989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14926 + ... + 16504.

It is an arithmetic number, because the mean of its divisors is an integer number (2133000).

Almost surely, 2^24813985 is an apocalyptic number.

It is an amenable number.

24813985 is a deficient number, since it is larger than the sum of its proper divisors (9314015).

24813985 is a wasteful number, since it uses less digits than its factorization.

24813985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040.

The product of its digits is 69120, while the sum is 40.

The square root of 24813985 is about 4981.3637690897. The cubic root of 24813985 is about 291.6747527917.

The spelling of 24813985 in words is "twenty-four million, eight hundred thirteen thousand, nine hundred eighty-five".