445271 has 2 divisors, whose sum is σ = 445272. Its totient is φ = 445270.

The previous prime is 445261. The next prime is 445279. The reversal of 445271 is 172544.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445271 is a prime.

It is a Sophie Germain 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 (445279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222635 + 222636.

It is an arithmetic number, because the mean of its divisors is an integer number (222636).

2⁴⁴⁵²⁷¹ is an apocalyptic number.

445271 is a deficient number, since it is larger than the sum of its proper divisors (1).

445271 is an equidigital number, since it uses as much as digits as its factorization.

445271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 23.

The square root of 445271 is about 667.2862953785. The cubic root of 445271 is about 76.3615620357.

The spelling of 445271 in words is "four hundred forty-five thousand, two hundred seventy-one".