25302216 has 16 divisors (see below), whose sum is σ = 63255600. Its totient is φ = 8434064.

The previous prime is 25302203. The next prime is 25302223. The reversal of 25302216 is 61220352.

It is a junction number, because it is equal to n+sod(n) for n = 25302192 and 25302201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527106 + ... + 527153.

It is an arithmetic number, because the mean of its divisors is an integer number (3953475).

Almost surely, 2^25302216 is an apocalyptic number.

It is an amenable number.

25302216 is an abundant number, since it is smaller than the sum of its proper divisors (37953384).

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

25302216 is a wasteful number, since it uses less digits than its factorization.

25302216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054268 (or 1054264 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25302216 is about 5030.1308134083. The cubic root of 25302216 is about 293.5753042458.

Adding to 25302216 its reverse (61220352), we get a palindrome (86522568).

The spelling of 25302216 in words is "twenty-five million, three hundred two thousand, two hundred sixteen".