442632103 has 4 divisors (see below), whose sum is σ = 442674648. Its totient is φ = 442589560.

The previous prime is 442632089. The next prime is 442632107. The reversal of 442632103 is 301236244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 442632103 - 2¹³ = 442623911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442632107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5925 + ... + 30337.

It is an arithmetic number, because the mean of its divisors is an integer number (110668662).

Almost surely, 2^442632103 is an apocalyptic number.

442632103 is a deficient number, since it is larger than the sum of its proper divisors (42545).

442632103 is a wasteful number, since it uses less digits than its factorization.

442632103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42544.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 442632103 is about 21038.8237076126. The cubic root of 442632103 is about 762.1041086689.

Adding to 442632103 its reverse (301236244), we get a palindrome (743868347).

The spelling of 442632103 in words is "four hundred forty-two million, six hundred thirty-two thousand, one hundred three".