25712267 has 4 divisors (see below), whose sum is σ = 29385456. Its totient is φ = 22039080.

The previous prime is 25712251. The next prime is 25712311. The reversal of 25712267 is 76221752.

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

It is not a de Polignac number, because 25712267 - 2⁴ = 25712251 is a prime.

It is a super-2 number, since 2×25712267² = 1322241348558578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25712227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836584 + ... + 1836597.

It is an arithmetic number, because the mean of its divisors is an integer number (7346364).

Almost surely, 2^25712267 is an apocalyptic number.

25712267 is a deficient number, since it is larger than the sum of its proper divisors (3673189).

25712267 is an equidigital number, since it uses as much as digits as its factorization.

25712267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673188.

The product of its digits is 11760, while the sum is 32.

The square root of 25712267 is about 5070.7264765515. The cubic root of 25712267 is about 295.1527199282.

The spelling of 25712267 in words is "twenty-five million, seven hundred twelve thousand, two hundred sixty-seven".