25116667 has 8 divisors (see below), whose sum is σ = 27750816. Its totient is φ = 22611072.

The previous prime is 25116649. The next prime is 25116677. The reversal of 25116667 is 76661152.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25116667 is a prime.

It is a super-2 number, since 2×25116667² = 1261693922377778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25116607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31728 + ... + 32509.

It is an arithmetic number, because the mean of its divisors is an integer number (3468852).

Almost surely, 2^25116667 is an apocalyptic number.

25116667 is a deficient number, since it is larger than the sum of its proper divisors (2634149).

25116667 is a wasteful number, since it uses less digits than its factorization.

25116667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64277.

The product of its digits is 15120, while the sum is 34.

The square root of 25116667 is about 5011.6531204783. The cubic root of 25116667 is about 292.8559166091.

The spelling of 25116667 in words is "twenty-five million, one hundred sixteen thousand, six hundred sixty-seven".