213287853 has 8 divisors (see below), whose sum is σ = 285101728. Its totient is φ = 141832944.

The previous prime is 213287849. The next prime is 213287897. The reversal of 213287853 is 358782312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213287853 - 2² = 213287849 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 (213287813) 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, 88351 + ... + 90732.

It is an arithmetic number, because the mean of its divisors is an integer number (35637716).

Almost surely, 2^213287853 is an apocalyptic number.

It is an amenable number.

213287853 is a deficient number, since it is larger than the sum of its proper divisors (71813875).

213287853 is a wasteful number, since it uses less digits than its factorization.

213287853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179483.

The product of its digits is 80640, while the sum is 39.

The square root of 213287853 is about 14604.3778710358. The cubic root of 213287853 is about 597.4781682353.

The spelling of 213287853 in words is "two hundred thirteen million, two hundred eighty-seven thousand, eight hundred fifty-three".