24690625 has 12 divisors (see below), whose sum is σ = 30865212. Its totient is φ = 19750000.

The previous prime is 24690607. The next prime is 24690649. The reversal of 24690625 is 52609642.

It can be written as a sum of positive squares in 6 ways, for example, as 18455616 + 6235009 = 4296^2 + 2497^2 .

It is not a de Polignac number, because 24690625 - 2¹¹ = 24688577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (2572101).

Almost surely, 2^24690625 is an apocalyptic number.

24690625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24690625 is a deficient number, since it is larger than the sum of its proper divisors (6174587).

24690625 is an frugal number, since it uses more digits than its factorization.

24690625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926 (or 7906 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 24690625 is about 4968.9661902653. The cubic root of 24690625 is about 291.1906066147.

The spelling of 24690625 in words is "twenty-four million, six hundred ninety thousand, six hundred twenty-five".