442484249 has 2 divisors, whose sum is σ = 442484250. Its totient is φ = 442484248.

The previous prime is 442484243. The next prime is 442484267. The reversal of 442484249 is 942484244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294740224 + 147744025 = 17168^2 + 12155^2 .

It is a cyclic number.

It is not a de Polignac number, because 442484249 - 2²⁴ = 425707033 is a prime.

It is a super-2 number, since 2×442484249² = 391584621226188002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (442484243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221242124 + 221242125.

It is an arithmetic number, because the mean of its divisors is an integer number (221242125).

Almost surely, 2^442484249 is an apocalyptic number.

It is an amenable number.

442484249 is a deficient number, since it is larger than the sum of its proper divisors (1).

442484249 is an equidigital number, since it uses as much as digits as its factorization.

442484249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 41.

The square root of 442484249 is about 21035.3095769946. The cubic root of 442484249 is about 762.0192430896.

The spelling of 442484249 in words is "four hundred forty-two million, four hundred eighty-four thousand, two hundred forty-nine".