25523116 has 12 divisors (see below), whose sum is σ = 44711800. Its totient is φ = 12748320.

The previous prime is 25523107. The next prime is 25523117. The reversal of 25523116 is 61132552.

It is not an unprimeable number, because it can be changed into a prime (25523117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960 + ... + 7408.

Almost surely, 2^25523116 is an apocalyptic number.

It is an amenable number.

25523116 is a deficient number, since it is larger than the sum of its proper divisors (19188684).

25523116 is a wasteful number, since it uses less digits than its factorization.

25523116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624 (or 6622 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 25523116 is about 5052.0407757658. The cubic root of 25523116 is about 294.4271791572.

Adding to 25523116 its reverse (61132552), we get a palindrome (86655668).

The spelling of 25523116 in words is "twenty-five million, five hundred twenty-three thousand, one hundred sixteen".