25116715 has 8 divisors (see below), whose sum is σ = 32458608. Its totient is φ = 18547680.

The previous prime is 25116683. The next prime is 25116731. The reversal of 25116715 is 51761152.

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

It is not a de Polignac number, because 25116715 - 2⁵ = 25116683 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 193141 + ... + 193270.

It is an arithmetic number, because the mean of its divisors is an integer number (4057326).

Almost surely, 2^25116715 is an apocalyptic number.

25116715 is a deficient number, since it is larger than the sum of its proper divisors (7341893).

25116715 is a wasteful number, since it uses less digits than its factorization.

25116715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386429.

The product of its digits is 2100, while the sum is 28.

The square root of 25116715 is about 5011.6579093150. The cubic root of 25116715 is about 292.8561031662.

Adding to 25116715 its reverse (51761152), we get a palindrome (76877867).

The spelling of 25116715 in words is "twenty-five million, one hundred sixteen thousand, seven hundred fifteen".