25412216 has 16 divisors (see below), whose sum is σ = 47727240. Its totient is φ = 12684960.

The previous prime is 25412209. The next prime is 25412221. The reversal of 25412216 is 61221452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25412191 and 25412200.

It is a congruent number.

It is an unprimeable number.

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, 3230 + ... + 7826.

Almost surely, 2^25412216 is an apocalyptic number.

It is an amenable number.

25412216 is a deficient number, since it is larger than the sum of its proper divisors (22315024).

25412216 is a wasteful number, since it uses less digits than its factorization.

25412216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294 (or 5290 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 25412216 is about 5041.0530645888. The cubic root of 25412216 is about 294.0001234053. Note that the first 3 decimals are identical.

Adding to 25412216 its reverse (61221452), we get a palindrome (86633668).

The spelling of 25412216 in words is "twenty-five million, four hundred twelve thousand, two hundred sixteen".