25362216 has 96 divisors (see below), whose sum is σ = 77425920. Its totient is φ = 7430400.

The previous prime is 25362209. The next prime is 25362221. The reversal of 25362216 is 61226352.

25362216 is a `hidden beast` number, since 25 + 3 + 622 + 16 = 666.

Its product of digits (4320) is a multiple of the sum of its prime divisors (1080).

It is a self number, because there is not a number n which added to its sum of digits gives 25362216.

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 23 ways as a sum of consecutive naturals, for example, 24036 + ... + 25068.

It is an arithmetic number, because the mean of its divisors is an integer number (806520).

Almost surely, 2^25362216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25362216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38712960).

25362216 is an abundant number, since it is smaller than the sum of its proper divisors (52063704).

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

25362216 is a wasteful number, since it uses less digits than its factorization.

25362216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1080 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 25362216 is about 5036.0913415068. The cubic root of 25362216 is about 293.8071760743.

Adding to 25362216 its reverse (61226352), we get a palindrome (86588568).

The spelling of 25362216 in words is "twenty-five million, three hundred sixty-two thousand, two hundred sixteen".