25840875 has 16 divisors (see below), whose sum is σ = 42999840. Its totient is φ = 13781600.

The previous prime is 25840873. The next prime is 25840877. The reversal of 25840875 is 57804852.

It is an interprime number because it is at equal distance from previous prime (25840873) and next prime (25840877).

It is not a de Polignac number, because 25840875 - 2¹ = 25840873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25840873) 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 15 ways as a sum of consecutive naturals, for example, 34080 + ... + 34829.

It is an arithmetic number, because the mean of its divisors is an integer number (2687490).

Almost surely, 2^25840875 is an apocalyptic number.

25840875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25840875 is a deficient number, since it is larger than the sum of its proper divisors (17158965).

25840875 is an equidigital number, since it uses as much as digits as its factorization.

25840875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68927 (or 68917 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 25840875 is about 5083.3920761633. The cubic root of 25840875 is about 295.6440014932.

The spelling of 25840875 in words is "twenty-five million, eight hundred forty thousand, eight hundred seventy-five".