25980115 has 8 divisors (see below), whose sum is σ = 35629920. Its totient is φ = 17814912.

The previous prime is 25980091. The next prime is 25980161. The reversal of 25980115 is 51108952.

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 25980115 - 2¹³ = 25971923 is a prime.

It is an unprimeable number.

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, 371110 + ... + 371179.

It is an arithmetic number, because the mean of its divisors is an integer number (4453740).

Almost surely, 2^25980115 is an apocalyptic number.

25980115 is a deficient number, since it is larger than the sum of its proper divisors (9649805).

25980115 is an equidigital number, since it uses as much as digits as its factorization.

25980115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742301.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 25980115 is about 5097.0692559548. The cubic root of 25980115 is about 296.1740629192.

The spelling of 25980115 in words is "twenty-five million, nine hundred eighty thousand, one hundred fifteen".