442252103 has 2 divisors, whose sum is σ = 442252104. Its totient is φ = 442252102.

The previous prime is 442252091. The next prime is 442252123. The reversal of 442252103 is 301252244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442252103 - 2²⁸ = 173816647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442252123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221126051 + 221126052.

It is an arithmetic number, because the mean of its divisors is an integer number (221126052).

Almost surely, 2^442252103 is an apocalyptic number.

442252103 is a deficient number, since it is larger than the sum of its proper divisors (1).

442252103 is an equidigital number, since it uses as much as digits as its factorization.

442252103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 442252103 is about 21029.7908453698. The cubic root of 442252103 is about 761.8859572419.

The spelling of 442252103 in words is "four hundred forty-two million, two hundred fifty-two thousand, one hundred three".