445427 has 2 divisors, whose sum is σ = 445428. Its totient is φ = 445426.

The previous prime is 445363. The next prime is 445433. The reversal of 445427 is 724544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445427 - 2⁶ = 445363 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 445396 and 445405.

It is not a weakly prime, because it can be changed into another prime (445447) 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, 222713 + 222714.

It is an arithmetic number, because the mean of its divisors is an integer number (222714).

2⁴⁴⁵⁴²⁷ is an apocalyptic number.

445427 is a deficient number, since it is larger than the sum of its proper divisors (1).

445427 is an equidigital number, since it uses as much as digits as its factorization.

445427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 26.

The square root of 445427 is about 667.4031764983. The cubic root of 445427 is about 76.3704787125.

The spelling of 445427 in words is "four hundred forty-five thousand, four hundred twenty-seven".