449427523 has 2 divisors, whose sum is σ = 449427524. Its totient is φ = 449427522.

The previous prime is 449427509. The next prime is 449427533. The reversal of 449427523 is 325724944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449427523 - 2²¹ = 447330371 is a prime.

It is not a weakly prime, because it can be changed into another prime (449427533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224713761 + 224713762.

It is an arithmetic number, because the mean of its divisors is an integer number (224713762).

Almost surely, 2^449427523 is an apocalyptic number.

449427523 is a deficient number, since it is larger than the sum of its proper divisors (1).

449427523 is an equidigital number, since it uses as much as digits as its factorization.

449427523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 449427523 is about 21199.7057290897. The cubic root of 449427523 is about 765.9843355876.

The spelling of 449427523 in words is "four hundred forty-nine million, four hundred twenty-seven thousand, five hundred twenty-three".