25216267 has 6 divisors (see below), whose sum is σ = 25390148. Its totient is φ = 25043532.

The previous prime is 25216229. The next prime is 25216273. The reversal of 25216267 is 76261252.

It is not a de Polignac number, because 25216267 - 2¹¹ = 25214219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25216067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31648 + ... + 32434.

Almost surely, 2^25216267 is an apocalyptic number.

25216267 is a deficient number, since it is larger than the sum of its proper divisors (173881).

25216267 is an frugal number, since it uses more digits than its factorization.

25216267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 966 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 25216267 is about 5021.5801297998. The cubic root of 25216267 is about 293.2425122010.

The spelling of 25216267 in words is "twenty-five million, two hundred sixteen thousand, two hundred sixty-seven".