213052099 has 4 divisors (see below), whose sum is σ = 229440736. Its totient is φ = 196663464.

The previous prime is 213052093. The next prime is 213052123. The reversal of 213052099 is 990250312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213052099 - 2¹³ = 213043907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213052099.

It is not an unprimeable number, because it can be changed into a prime (213052093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8194299 + ... + 8194324.

It is an arithmetic number, because the mean of its divisors is an integer number (57360184).

Almost surely, 2^213052099 is an apocalyptic number.

213052099 is a deficient number, since it is larger than the sum of its proper divisors (16388637).

213052099 is a wasteful number, since it uses less digits than its factorization.

213052099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388636.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 213052099 is about 14596.3042925256. The cubic root of 213052099 is about 597.2579497274.

The spelling of 213052099 in words is "two hundred thirteen million, fifty-two thousand, ninety-nine".