445010213 has 4 divisors (see below), whose sum is σ = 445208268. Its totient is φ = 444812160.

The previous prime is 445010201. The next prime is 445010243. The reversal of 445010213 is 312010544.

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 277488964 + 167521249 = 16658^2 + 12943^2 .

It is a cyclic number.

It is not a de Polignac number, because 445010213 - 2¹² = 445006117 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 (445010243) 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, 95618 + ... + 100163.

It is an arithmetic number, because the mean of its divisors is an integer number (111302067).

Almost surely, 2^445010213 is an apocalyptic number.

It is an amenable number.

445010213 is a deficient number, since it is larger than the sum of its proper divisors (198055).

445010213 is a wasteful number, since it uses less digits than its factorization.

445010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198054.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 445010213 is about 21095.2651796558. The cubic root of 445010213 is about 763.4665127217.

Adding to 445010213 its reverse (312010544), we get a palindrome (757020757).

The spelling of 445010213 in words is "four hundred forty-five million, ten thousand, two hundred thirteen".