382442513 has 4 divisors (see below), whose sum is σ = 382552548. Its totient is φ = 382332480.

The previous prime is 382442509. The next prime is 382442531. The reversal of 382442513 is 315244283.

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 42667024 + 339775489 = 6532^2 + 18433^2 .

It is a cyclic number.

It is not a de Polignac number, because 382442513 - 2² = 382442509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382442513.

It is not an unprimeable number, because it can be changed into a prime (382442573) 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, 49628 + ... + 56813.

It is an arithmetic number, because the mean of its divisors is an integer number (95638137).

Almost surely, 2^382442513 is an apocalyptic number.

It is an amenable number.

382442513 is a deficient number, since it is larger than the sum of its proper divisors (110035).

382442513 is a wasteful number, since it uses less digits than its factorization.

382442513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110034.

The product of its digits is 23040, while the sum is 32.

The square root of 382442513 is about 19556.1374765059. The cubic root of 382442513 is about 725.8642174607.

Adding to 382442513 its reverse (315244283), we get a palindrome (697686796).

The spelling of 382442513 in words is "three hundred eighty-two million, four hundred forty-two thousand, five hundred thirteen".