25160216 has 8 divisors (see below), whose sum is σ = 47175420. Its totient is φ = 12580104.

The previous prime is 25160173. The next prime is 25160227. The reversal of 25160216 is 61206152.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25160191 and 25160200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572506 + ... + 1572521.

Almost surely, 2^25160216 is an apocalyptic number.

It is an amenable number.

25160216 is a deficient number, since it is larger than the sum of its proper divisors (22015204).

25160216 is a wasteful number, since it uses less digits than its factorization.

25160216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145033 (or 3145029 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 25160216 is about 5015.9960127576. The cubic root of 25160216 is about 293.0250767713.

Adding to 25160216 its reverse (61206152), we get a palindrome (86366368).

The spelling of 25160216 in words is "twenty-five million, one hundred sixty thousand, two hundred sixteen".