24640825 has 12 divisors (see below), whose sum is σ = 33332688. Its totient is φ = 17920400.

The previous prime is 24640823. The next prime is 24640829. The reversal of 24640825 is 52804642.

It is not a de Polignac number, because 24640825 - 2¹ = 24640823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24640823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44527 + ... + 45076.

It is an arithmetic number, because the mean of its divisors is an integer number (2777724).

Almost surely, 2^24640825 is an apocalyptic number.

24640825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24640825 is a deficient number, since it is larger than the sum of its proper divisors (8691863).

24640825 is a wasteful number, since it uses less digits than its factorization.

24640825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89624 (or 89619 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 24640825 is about 4963.9525581939. The cubic root of 24640825 is about 290.9947015879.

The spelling of 24640825 in words is "twenty-four million, six hundred forty thousand, eight hundred twenty-five".