213385873 has 8 divisors (see below), whose sum is σ = 216560000. Its totient is φ = 210223728.

The previous prime is 213385867. The next prime is 213385883. The reversal of 213385873 is 378583312.

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 213385873 - 2²⁵ = 179831441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213385883) 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, 36715 + ... + 42127.

It is an arithmetic number, because the mean of its divisors is an integer number (27070000).

Almost surely, 2^213385873 is an apocalyptic number.

It is an amenable number.

213385873 is a deficient number, since it is larger than the sum of its proper divisors (3174127).

213385873 is an equidigital number, since it uses as much as digits as its factorization.

213385873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991.

The product of its digits is 120960, while the sum is 40.

The square root of 213385873 is about 14607.7333286174. The cubic root of 213385873 is about 597.5696812462.

The spelling of 213385873 in words is "two hundred thirteen million, three hundred eighty-five thousand, eight hundred seventy-three".