25116522 has 8 divisors (see below), whose sum is σ = 50233056. Its totient is φ = 8372172.

The previous prime is 25116521. The next prime is 25116569. The reversal of 25116522 is 22561152.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

25116522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25116492 and 25116501.

It is not an unprimeable number, because it can be changed into a prime (25116521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093038 + ... + 2093049.

It is an arithmetic number, because the mean of its divisors is an integer number (6279132).

Almost surely, 2^25116522 is an apocalyptic number.

25116522 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.

25116522 is a wasteful number, since it uses less digits than its factorization.

25116522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186092.

The product of its digits is 1200, while the sum is 24.

The square root of 25116522 is about 5011.6386541729. The cubic root of 25116522 is about 292.8553530499.

Adding to 25116522 its reverse (22561152), we get a palindrome (47677674).

The spelling of 25116522 in words is "twenty-five million, one hundred sixteen thousand, five hundred twenty-two".