25225416 has 96 divisors (see below), whose sum is σ = 74426040. Its totient is φ = 7686144.

The previous prime is 25225397. The next prime is 25225441. The reversal of 25225416 is 61452252.

25225416 is a `hidden beast` number, since 25 + 225 + 416 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23561316 + 1664100 = 4854^2 + 1290^2 .

It is a super-2 number, since 2×25225416² = 1272643224746112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25225416.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45010 + ... + 45566.

Almost surely, 2^25225416 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 25225416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37213020).

25225416 is an abundant number, since it is smaller than the sum of its proper divisors (49200624).

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

25225416 is a wasteful number, since it uses less digits than its factorization.

25225416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 616 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 25225416 is about 5022.4910154225. The cubic root of 25225416 is about 293.2779727940.

Adding to 25225416 its reverse (61452252), we get a palindrome (86677668).

The spelling of 25225416 in words is "twenty-five million, two hundred twenty-five thousand, four hundred sixteen".