25715267 has 2 divisors, whose sum is σ = 25715268. Its totient is φ = 25715266.

The previous prime is 25715243. The next prime is 25715269. The reversal of 25715267 is 76251752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25715267 - 2¹⁶ = 25649731 is a prime.

It is a super-2 number, since 2×25715267² = 1322549913762578, which contains 22 as substring.

Together with 25715269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25715269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12857633 + 12857634.

It is an arithmetic number, because the mean of its divisors is an integer number (12857634).

Almost surely, 2^25715267 is an apocalyptic number.

25715267 is a deficient number, since it is larger than the sum of its proper divisors (1).

25715267 is an equidigital number, since it uses as much as digits as its factorization.

25715267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 25715267 is about 5071.0222835243. The cubic root of 25715267 is about 295.1641985443.

The spelling of 25715267 in words is "twenty-five million, seven hundred fifteen thousand, two hundred sixty-seven".