25116116 has 6 divisors (see below), whose sum is σ = 43953210. Its totient is φ = 12558056.

The previous prime is 25116109. The next prime is 25116127. The reversal of 25116116 is 61161152.

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 1008016 = 4910^2 + 1004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25116091 and 25116100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139511 + ... + 3139518.

It is an arithmetic number, because the mean of its divisors is an integer number (7325535).

Almost surely, 2^25116116 is an apocalyptic number.

It is an amenable number.

25116116 is a deficient number, since it is larger than the sum of its proper divisors (18837094).

25116116 is a wasteful number, since it uses less digits than its factorization.

25116116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279033 (or 6279031 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 25116116 is about 5011.5981482956. The cubic root of 25116116 is about 292.8537750725.

Adding to 25116116 its reverse (61161152), we get a palindrome (86277268).

The spelling of 25116116 in words is "twenty-five million, one hundred sixteen thousand, one hundred sixteen".