252065447 has 2 divisors, whose sum is σ = 252065448. Its totient is φ = 252065446.

The previous prime is 252065393. The next prime is 252065491. The reversal of 252065447 is 744560252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252065447 - 2¹² = 252061351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252065347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126032723 + 126032724.

It is an arithmetic number, because the mean of its divisors is an integer number (126032724).

Almost surely, 2^252065447 is an apocalyptic number.

252065447 is a deficient number, since it is larger than the sum of its proper divisors (1).

252065447 is an equidigital number, since it uses as much as digits as its factorization.

252065447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 252065447 is about 15876.5691193028. The cubic root of 252065447 is about 631.6906358245.

The spelling of 252065447 in words is "two hundred fifty-two million, sixty-five thousand, four hundred forty-seven".