25038216 has 144 divisors (see below), whose sum is σ = 81095040. Its totient is φ = 6955200.

The previous prime is 25038193. The next prime is 25038241. The reversal of 25038216 is 61283052.

It is a self number, because there is not a number n which added to its sum of digits gives 25038216.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165741 + ... + 165891.

It is an arithmetic number, because the mean of its divisors is an integer number (563160).

Almost surely, 2^25038216 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 25038216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40547520).

25038216 is an abundant number, since it is smaller than the sum of its proper divisors (56056824).

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

25038216 is a wasteful number, since it uses less digits than its factorization.

25038216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25038216 is about 5003.8201406525. The cubic root of 25038216 is about 292.5506903163.

The spelling of 25038216 in words is "twenty-five million, thirty-eight thousand, two hundred sixteen".