25812016 has 20 divisors (see below), whose sum is σ = 50099472. Its totient is φ = 12883136.

The previous prime is 25812011. The next prime is 25812019. The reversal of 25812016 is 61021852.

It is not an unprimeable number, because it can be changed into a prime (25812011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11325 + ... + 13411.

Almost surely, 2^25812016 is an apocalyptic number.

It is an amenable number.

25812016 is a deficient number, since it is larger than the sum of its proper divisors (24287456).

25812016 is a wasteful number, since it uses less digits than its factorization.

25812016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 25812016 is about 5080.5527258360. The cubic root of 25812016 is about 295.5339024302.

Adding to 25812016 its reverse (61021852), we get a palindrome (86833868).

The spelling of 25812016 in words is "twenty-five million, eight hundred twelve thousand, sixteen".