442601413 has 4 divisors (see below), whose sum is σ = 442680588. Its totient is φ = 442522240.

The previous prime is 442601389. The next prime is 442601431. The reversal of 442601413 is 314106244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31606884 + 410994529 = 5622^2 + 20273^2 .

It is a cyclic number.

It is not a de Polignac number, because 442601413 - 2⁹ = 442600901 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 (442601513) 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, 30508 + ... + 42613.

It is an arithmetic number, because the mean of its divisors is an integer number (110670147).

Almost surely, 2^442601413 is an apocalyptic number.

It is an amenable number.

442601413 is a deficient number, since it is larger than the sum of its proper divisors (79175).

442601413 is an equidigital number, since it uses as much as digits as its factorization.

442601413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79174.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 442601413 is about 21038.0943290974. The cubic root of 442601413 is about 762.0864947065.

Adding to 442601413 its reverse (314106244), we get a palindrome (756707657).

The spelling of 442601413 in words is "four hundred forty-two million, six hundred one thousand, four hundred thirteen".