25980245 has 8 divisors (see below), whose sum is σ = 31552416. Its totient is φ = 20533456.

The previous prime is 25980223. The next prime is 25980247. The reversal of 25980245 is 54208952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25980245 - 2⁶ = 25980181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25980247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30887 + ... + 31716.

It is an arithmetic number, because the mean of its divisors is an integer number (3944052).

Almost surely, 2^25980245 is an apocalyptic number.

It is an amenable number.

25980245 is a deficient number, since it is larger than the sum of its proper divisors (5572171).

25980245 is an equidigital number, since it uses as much as digits as its factorization.

25980245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62691.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25980245 is about 5097.0820083652. The cubic root of 25980245 is about 296.1745569197.

The spelling of 25980245 in words is "twenty-five million, nine hundred eighty thousand, two hundred forty-five".