442253353 has 2 divisors, whose sum is σ = 442253354. Its totient is φ = 442253352.

The previous prime is 442253327. The next prime is 442253369. The reversal of 442253353 is 353352244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381538089 + 60715264 = 19533^2 + 7792^2 .

It is a cyclic number.

It is not a de Polignac number, because 442253353 - 2¹³ = 442245161 is a prime.

It is not a weakly prime, because it can be changed into another prime (442253153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221126676 + 221126677.

It is an arithmetic number, because the mean of its divisors is an integer number (221126677).

Almost surely, 2^442253353 is an apocalyptic number.

It is an amenable number.

442253353 is a deficient number, since it is larger than the sum of its proper divisors (1).

442253353 is an equidigital number, since it uses as much as digits as its factorization.

442253353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 31.

The square root of 442253353 is about 21029.8205650928. The cubic root of 442253353 is about 761.8866750501.

It can be divided in two parts, 4422 and 53353, that added together give a palindrome (57775).

The spelling of 442253353 in words is "four hundred forty-two million, two hundred fifty-three thousand, three hundred fifty-three".