853511213 has 4 divisors (see below), whose sum is σ = 854413440. Its totient is φ = 852608988.

The previous prime is 853511203. The next prime is 853511221. The reversal of 853511213 is 312115358.

It is a happy number.

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 853511213 - 2¹⁸ = 853249069 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 (853511203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449693 + ... + 451586.

It is an arithmetic number, because the mean of its divisors is an integer number (213603360).

Almost surely, 2^853511213 is an apocalyptic number.

It is an amenable number.

853511213 is a deficient number, since it is larger than the sum of its proper divisors (902227).

853511213 is an equidigital number, since it uses as much as digits as its factorization.

853511213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902226.

The product of its digits is 3600, while the sum is 29.

The square root of 853511213 is about 29214.9142220202. The cubic root of 853511213 is about 948.5707827638.

The spelling of 853511213 in words is "eight hundred fifty-three million, five hundred eleven thousand, two hundred thirteen".