442312413 has 4 divisors (see below), whose sum is σ = 589749888. Its totient is φ = 294874940.

The previous prime is 442312411. The next prime is 442312459. The reversal of 442312413 is 314213244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442312413 - 2¹ = 442312411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442312411) 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 in 3 ways as a sum of consecutive naturals, for example, 73718733 + ... + 73718738.

It is an arithmetic number, because the mean of its divisors is an integer number (147437472).

Almost surely, 2^442312413 is an apocalyptic number.

It is an amenable number.

442312413 is a deficient number, since it is larger than the sum of its proper divisors (147437475).

442312413 is a wasteful number, since it uses less digits than its factorization.

442312413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147437474.

The product of its digits is 2304, while the sum is 24.

The square root of 442312413 is about 21031.2247146951. The cubic root of 442312413 is about 761.9205885101.

Adding to 442312413 its reverse (314213244), we get a palindrome (756525657).

It can be divided in two parts, 4423 and 12413, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 442312413 in words is "four hundred forty-two million, three hundred twelve thousand, four hundred thirteen".