213064871 has 8 divisors (see below), whose sum is σ = 221717760. Its totient is φ = 204580152.

The previous prime is 213064867. The next prime is 213064877. The reversal of 213064871 is 178460312.

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 213064871 - 2² = 213064867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213064877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39455 + ... + 44528.

It is an arithmetic number, because the mean of its divisors is an integer number (27714720).

Almost surely, 2^213064871 is an apocalyptic number.

213064871 is a deficient number, since it is larger than the sum of its proper divisors (8652889).

213064871 is an equidigital number, since it uses as much as digits as its factorization.

213064871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84085.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 213064871 is about 14596.7417939758. The cubic root of 213064871 is about 597.2698842513.

The spelling of 213064871 in words is "two hundred thirteen million, sixty-four thousand, eight hundred seventy-one".