25231267 has 4 divisors (see below), whose sum is σ = 25270560. Its totient is φ = 25191976.

The previous prime is 25231249. The next prime is 25231279. The reversal of 25231267 is 76213252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25231267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25234267) 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, 18667 + ... + 19972.

It is an arithmetic number, because the mean of its divisors is an integer number (6317640).

Almost surely, 2^25231267 is an apocalyptic number.

25231267 is a deficient number, since it is larger than the sum of its proper divisors (39293).

25231267 is an equidigital number, since it uses as much as digits as its factorization.

25231267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39292.

The product of its digits is 5040, while the sum is 28.

The square root of 25231267 is about 5023.0734615373. The cubic root of 25231267 is about 293.3006461798.

The spelling of 25231267 in words is "twenty-five million, two hundred thirty-one thousand, two hundred sixty-seven".