25267249 has 8 divisors (see below), whose sum is σ = 28965248. Its totient is φ = 21591360.

The previous prime is 25267223. The next prime is 25267261. The reversal of 25267249 is 94276252.

It is a happy number.

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

It is not a de Polignac number, because 25267249 - 2⁵ = 25267217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25267279) 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, 2997 + ... + 7714.

It is an arithmetic number, because the mean of its divisors is an integer number (3620656).

Almost surely, 2^25267249 is an apocalyptic number.

It is an amenable number.

25267249 is a deficient number, since it is larger than the sum of its proper divisors (3697999).

25267249 is a wasteful number, since it uses less digits than its factorization.

25267249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055.

The product of its digits is 60480, while the sum is 37.

The square root of 25267249 is about 5026.6538571897. The cubic root of 25267249 is about 293.4400041050.

The spelling of 25267249 in words is "twenty-five million, two hundred sixty-seven thousand, two hundred forty-nine".