24998725 has 24 divisors (see below), whose sum is σ = 32888520. Its totient is φ = 18838400.

The previous prime is 24998707. The next prime is 24998747. The reversal of 24998725 is 52789942.

It can be written as a sum of positive squares in 12 ways, for example, as 21242881 + 3755844 = 4609^2 + 1938^2 .

It is not a de Polignac number, because 24998725 - 2¹¹ = 24996677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609705 + ... + 609745.

It is an arithmetic number, because the mean of its divisors is an integer number (1370355).

Almost surely, 2^24998725 is an apocalyptic number.

24998725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24998725 is a deficient number, since it is larger than the sum of its proper divisors (7889795).

24998725 is an frugal number, since it uses more digits than its factorization.

24998725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 75 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 24998725 is about 4999.8724983743. The cubic root of 24998725 is about 292.3968029066.

The spelling of 24998725 in words is "twenty-four million, nine hundred ninety-eight thousand, seven hundred twenty-five".