213995 has 8 divisors (see below), whose sum is σ = 259584. Its totient is φ = 169344.

The previous prime is 213989. The next prime is 214003. The reversal of 213995 is 599312.

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-213995 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (32448).

2²¹³⁹⁹⁵ is an apocalyptic number.

213995 is a deficient number, since it is larger than the sum of its proper divisors (45589).

213995 is a wasteful number, since it uses less digits than its factorization.

213995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 2430, while the sum is 29.

The square root of 213995 is about 462.5959359960. The cubic root of 213995 is about 59.8137744506.

The spelling of 213995 in words is "two hundred thirteen thousand, nine hundred ninety-five".