25512116 has 12 divisors (see below), whose sum is σ = 51024288. Its totient is φ = 10933752.

The previous prime is 25512107. The next prime is 25512139. The reversal of 25512116 is 61121552.

It is a happy number.

25512116 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25512091 and 25512100.

It is a congruent number.

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, 455546 + ... + 455601.

It is an arithmetic number, because the mean of its divisors is an integer number (4252024).

Almost surely, 2^25512116 is an apocalyptic number.

It is an amenable number.

25512116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25512116 is a wasteful number, since it uses less digits than its factorization.

25512116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911158 (or 911156 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 25512116 is about 5050.9519894768. The cubic root of 25512116 is about 294.3848754882.

Adding to 25512116 its reverse (61121552), we get a palindrome (86633668).

The spelling of 25512116 in words is "twenty-five million, five hundred twelve thousand, one hundred sixteen".