25768216 has 16 divisors (see below), whose sum is σ = 48475440. Its totient is φ = 12841440.

The previous prime is 25768201. The next prime is 25768217. The reversal of 25768216 is 61286752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25768217) 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, 2691 + ... + 7666.

It is an arithmetic number, because the mean of its divisors is an integer number (3029715).

Almost surely, 2^25768216 is an apocalyptic number.

It is an amenable number.

25768216 is a deficient number, since it is larger than the sum of its proper divisors (22707224).

25768216 is a wasteful number, since it uses less digits than its factorization.

25768216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674 (or 10670 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 25768216 is about 5076.2403410398. The cubic root of 25768216 is about 295.3666455275.

The spelling of 25768216 in words is "twenty-five million, seven hundred sixty-eight thousand, two hundred sixteen".