442563007 has 2 divisors, whose sum is σ = 442563008. Its totient is φ = 442563006.

The previous prime is 442562983. The next prime is 442563053. The reversal of 442563007 is 700365244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442563007 - 2¹⁹ = 442038719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442563007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442563097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221281503 + 221281504.

It is an arithmetic number, because the mean of its divisors is an integer number (221281504).

Almost surely, 2^442563007 is an apocalyptic number.

442563007 is a deficient number, since it is larger than the sum of its proper divisors (1).

442563007 is an equidigital number, since it uses as much as digits as its factorization.

442563007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 442563007 is about 21037.1815365082. The cubic root of 442563007 is about 762.0644511403.

The spelling of 442563007 in words is "four hundred forty-two million, five hundred sixty-three thousand, seven".