24992985 has 16 divisors (see below), whose sum is σ = 40965120. Its totient is φ = 13004160.

The previous prime is 24992969. The next prime is 24993011. The reversal of 24992985 is 58929942.

It is a happy number.

It is not a de Polignac number, because 24992985 - 2⁴ = 24992969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19705 + ... + 20934.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^24992985 is an apocalyptic number.

It is an amenable number.

24992985 is a deficient number, since it is larger than the sum of its proper divisors (15972135).

24992985 is a wasteful number, since it uses less digits than its factorization.

24992985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40688.

The product of its digits is 466560, while the sum is 48.

The square root of 24992985 is about 4999.2984507829. The cubic root of 24992985 is about 292.3744219502.

The spelling of 24992985 in words is "twenty-four million, nine hundred ninety-two thousand, nine hundred eighty-five".