25286267 has 4 divisors (see below), whose sum is σ = 25342056. Its totient is φ = 25230480.

The previous prime is 25286249. The next prime is 25286273. The reversal of 25286267 is 76268252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25286267 - 2¹⁴ = 25269883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25286267.

It is not an unprimeable number, because it can be changed into a prime (25286467) 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, 27209 + ... + 28122.

It is an arithmetic number, because the mean of its divisors is an integer number (6335514).

Almost surely, 2^25286267 is an apocalyptic number.

25286267 is a deficient number, since it is larger than the sum of its proper divisors (55789).

25286267 is an equidigital number, since it uses as much as digits as its factorization.

25286267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55788.

The product of its digits is 80640, while the sum is 38.

The square root of 25286267 is about 5028.5452170583. The cubic root of 25286267 is about 293.5136071903.

The spelling of 25286267 in words is "twenty-five million, two hundred eighty-six thousand, two hundred sixty-seven".