446213113 has 4 divisors (see below), whose sum is σ = 447639028. Its totient is φ = 444787200.

The previous prime is 446213083. The next prime is 446213129. The reversal of 446213113 is 311312644.

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 72641529 + 373571584 = 8523^2 + 19328^2 .

It is a cyclic number.

It is not a de Polignac number, because 446213113 - 2¹³ = 446204921 is a prime.

It is a super-2 number, since 2×446213113² = 398212284426301538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446213143) 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, 712488 + ... + 713113.

It is an arithmetic number, because the mean of its divisors is an integer number (111909757).

Almost surely, 2^446213113 is an apocalyptic number.

It is an amenable number.

446213113 is a deficient number, since it is larger than the sum of its proper divisors (1425915).

446213113 is a wasteful number, since it uses less digits than its factorization.

446213113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425914.

The product of its digits is 1728, while the sum is 25.

The square root of 446213113 is about 21123.7570758613. The cubic root of 446213113 is about 764.1537985421.

Adding to 446213113 its reverse (311312644), we get a palindrome (757525757).

The spelling of 446213113 in words is "four hundred forty-six million, two hundred thirteen thousand, one hundred thirteen".