253265447 has 2 divisors, whose sum is σ = 253265448. Its totient is φ = 253265446.

The previous prime is 253265423. The next prime is 253265477. The reversal of 253265447 is 744562352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253265447 - 2⁸ = 253265191 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253265447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253265417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126632723 + 126632724.

It is an arithmetic number, because the mean of its divisors is an integer number (126632724).

Almost surely, 2^253265447 is an apocalyptic number.

253265447 is a deficient number, since it is larger than the sum of its proper divisors (1).

253265447 is an equidigital number, since it uses as much as digits as its factorization.

253265447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 38.

The square root of 253265447 is about 15914.3157879942. The cubic root of 253265447 is about 632.6914724928.

The spelling of 253265447 in words is "two hundred fifty-three million, two hundred sixty-five thousand, four hundred forty-seven".