442132003 has 2 divisors, whose sum is σ = 442132004. Its totient is φ = 442132002.

The previous prime is 442132001. The next prime is 442132043. The reversal of 442132003 is 300231244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442132003 - 2¹ = 442132001 is a prime.

Together with 442132001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (442132001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221066001 + 221066002.

It is an arithmetic number, because the mean of its divisors is an integer number (221066002).

Almost surely, 2^442132003 is an apocalyptic number.

442132003 is a deficient number, since it is larger than the sum of its proper divisors (1).

442132003 is an equidigital number, since it uses as much as digits as its factorization.

442132003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 442132003 is about 21026.9351784800. The cubic root of 442132003 is about 761.8169839218.

Adding to 442132003 its reverse (300231244), we get a palindrome (742363247).

The spelling of 442132003 in words is "four hundred forty-two million, one hundred thirty-two thousand, three".