213184193 has 8 divisors (see below), whose sum is σ = 215094528. Its totient is φ = 211279264.

The previous prime is 213184189. The next prime is 213184201. The reversal of 213184193 is 391481312.

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 213184193 - 2² = 213184189 is a prime.

It is a super-2 number, since 2×213184193² = 90895000290122498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213184393) 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, 133880 + ... + 135462.

It is an arithmetic number, because the mean of its divisors is an integer number (26886816).

Almost surely, 2^213184193 is an apocalyptic number.

It is an amenable number.

213184193 is a deficient number, since it is larger than the sum of its proper divisors (1910335).

213184193 is a wasteful number, since it uses less digits than its factorization.

213184193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703.

The product of its digits is 5184, while the sum is 32.

The square root of 213184193 is about 14600.8285038898. The cubic root of 213184193 is about 597.3813591228.

The spelling of 213184193 in words is "two hundred thirteen million, one hundred eighty-four thousand, one hundred ninety-three".