213049 has 8 divisors (see below), whose sum is σ = 227520. Its totient is φ = 199056.

The previous prime is 213043. The next prime is 213067. The reversal of 213049 is 940312.

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

It is a cyclic number.

It is not a de Polignac number, because 213049 - 2¹³ = 204857 is a prime.

It is a super-3 number, since 3×213049³ = 29010803332069947, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (28440).

2²¹³⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

213049 is a deficient number, since it is larger than the sum of its proper divisors (14471).

213049 is a wasteful number, since it uses less digits than its factorization.

213049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 213049 is about 461.5723128612. The cubic root of 213049 is about 59.7255053861.

The spelling of 213049 in words is "two hundred thirteen thousand, forty-nine".