213533153 has 4 divisors (see below), whose sum is σ = 224771760. Its totient is φ = 202294548.

The previous prime is 213533149. The next prime is 213533171. The reversal of 213533153 is 351335312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213533153 - 2² = 213533149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213533183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5619275 + ... + 5619312.

It is an arithmetic number, because the mean of its divisors is an integer number (56192940).

Almost surely, 2^213533153 is an apocalyptic number.

It is an amenable number.

213533153 is a deficient number, since it is larger than the sum of its proper divisors (11238607).

213533153 is a wasteful number, since it uses less digits than its factorization.

213533153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11238606.

The product of its digits is 4050, while the sum is 26.

The square root of 213533153 is about 14612.7736244698. The cubic root of 213533153 is about 597.7071314920.

Adding to 213533153 its reverse (351335312), we get a palindrome (564868465).

The spelling of 213533153 in words is "two hundred thirteen million, five hundred thirty-three thousand, one hundred fifty-three".