213340633 has 8 divisors (see below), whose sum is σ = 246425760. Its totient is φ = 182537280.

The previous prime is 213340619. The next prime is 213340669. The reversal of 213340633 is 336043312.

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 213340633 - 2⁹ = 213340121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213340598 and 213340607.

It is not an unprimeable number, because it can be changed into a prime (213340333) 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, 570243 + ... + 570616.

It is an arithmetic number, because the mean of its divisors is an integer number (30803220).

Almost surely, 2^213340633 is an apocalyptic number.

It is an amenable number.

213340633 is a deficient number, since it is larger than the sum of its proper divisors (33085127).

213340633 is a wasteful number, since it uses less digits than its factorization.

213340633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140887.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 213340633 is about 14606.1847516728. The cubic root of 213340633 is about 597.5274479551.

Adding to 213340633 its reverse (336043312), we get a palindrome (549383945).

The spelling of 213340633 in words is "two hundred thirteen million, three hundred forty thousand, six hundred thirty-three".