213000999 has 8 divisors (see below), whose sum is σ = 296349312. Its totient is φ = 135826680.

The previous prime is 213000989. The next prime is 213001003. The reversal of 213000999 is 999000312.

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

It is not a de Polignac number, because 213000999 - 2⁵ = 213000967 is a prime.

213000999 is a modest number, since divided by 999 gives 213 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000929) by changing a digit.

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, 1543417 + ... + 1543554.

It is an arithmetic number, because the mean of its divisors is an integer number (37043664).

Almost surely, 2^213000999 is an apocalyptic number.

213000999 is a deficient number, since it is larger than the sum of its proper divisors (83348313).

213000999 is a wasteful number, since it uses less digits than its factorization.

213000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086997.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 213000999 is about 14594.5537444623. The cubic root of 213000999 is about 597.2101956464.

The spelling of 213000999 in words is "two hundred thirteen million, nine hundred ninety-nine", and thus it is an aban number.