25870116 has 24 divisors (see below), whose sum is σ = 61649280. Its totient is φ = 8439712.

The previous prime is 25870111. The next prime is 25870123. The reversal of 25870116 is 61107852.

It is not an unprimeable number, because it can be changed into a prime (25870111) 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, 22371 + ... + 23498.

It is an arithmetic number, because the mean of its divisors is an integer number (2568720).

Almost surely, 2^25870116 is an apocalyptic number.

It is an amenable number.

25870116 is an abundant number, since it is smaller than the sum of its proper divisors (35779164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25870116 is a wasteful number, since it uses less digits than its factorization.

25870116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45923 (or 45921 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 25870116 is about 5086.2673936788. The cubic root of 25870116 is about 295.7554743373.

Adding to 25870116 its reverse (61107852), we get a palindrome (86977968).

The spelling of 25870116 in words is "twenty-five million, eight hundred seventy thousand, one hundred sixteen".