213005395 has 8 divisors (see below), whose sum is σ = 259421904. Its totient is φ = 167860704.

The previous prime is 213005389. The next prime is 213005413. The reversal of 213005395 is 593500312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213005395 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317584 + ... + 318253.

It is an arithmetic number, because the mean of its divisors is an integer number (32427738).

Almost surely, 2^213005395 is an apocalyptic number.

213005395 is a deficient number, since it is larger than the sum of its proper divisors (46416509).

213005395 is an equidigital number, since it uses as much as digits as its factorization.

213005395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635909.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 213005395 is about 14594.7043478105. The cubic root of 213005395 is about 597.2143041059.

The spelling of 213005395 in words is "two hundred thirteen million, five thousand, three hundred ninety-five".