442164601 has 2 divisors, whose sum is σ = 442164602. Its totient is φ = 442164600.

The previous prime is 442164551. The next prime is 442164631. The reversal of 442164601 is 106461244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442008576 + 156025 = 21024^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 442164601 - 2¹³ = 442156409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442164601.

It is not a weakly prime, because it can be changed into another prime (442164631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221082300 + 221082301.

It is an arithmetic number, because the mean of its divisors is an integer number (221082301).

Almost surely, 2^442164601 is an apocalyptic number.

It is an amenable number.

442164601 is a deficient number, since it is larger than the sum of its proper divisors (1).

442164601 is an equidigital number, since it uses as much as digits as its factorization.

442164601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 442164601 is about 21027.7103128229. The cubic root of 442164601 is about 761.8357061583.

The spelling of 442164601 in words is "four hundred forty-two million, one hundred sixty-four thousand, six hundred one".