253065443 has 2 divisors, whose sum is σ = 253065444. Its totient is φ = 253065442.

The previous prime is 253065401. The next prime is 253065559. The reversal of 253065443 is 344560352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253065443 - 2⁸ = 253065187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253062443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126532721 + 126532722.

It is an arithmetic number, because the mean of its divisors is an integer number (126532722).

Almost surely, 2^253065443 is an apocalyptic number.

253065443 is a deficient number, since it is larger than the sum of its proper divisors (1).

253065443 is an equidigital number, since it uses as much as digits as its factorization.

253065443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 253065443 is about 15908.0307706517. The cubic root of 253065443 is about 632.5248829176.

The spelling of 253065443 in words is "two hundred fifty-three million, sixty-five thousand, four hundred forty-three".