213085 has 8 divisors (see below), whose sum is σ = 269280. Its totient is φ = 161424.

The previous prime is 213079. The next prime is 213091. The reversal of 213085 is 580312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213079) and next prime (213091).

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

It is not a de Polignac number, because 213085 - 2⁹ = 212573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027 + ... + 1216.

It is an arithmetic number, because the mean of its divisors is an integer number (33660).

2²¹³⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

213085 is a deficient number, since it is larger than the sum of its proper divisors (56195).

213085 is a wasteful number, since it uses less digits than its factorization.

213085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 213085 is about 461.6113083537. The cubic root of 213085 is about 59.7288692399.

Adding to 213085 its reverse (580312), we get a palindrome (793397).

The spelling of 213085 in words is "two hundred thirteen thousand, eighty-five".