213456113 has 4 divisors (see below), whose sum is σ = 229875828. Its totient is φ = 197036400.

The previous prime is 213456091. The next prime is 213456151. The reversal of 213456113 is 311654312.

213456113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13601344 + 199854769 = 3688^2 + 14137^2 .

It is a cyclic number.

It is not a de Polignac number, because 213456113 - 2²² = 209261809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213456413) 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, 8209838 + ... + 8209863.

It is an arithmetic number, because the mean of its divisors is an integer number (57468957).

Almost surely, 2^213456113 is an apocalyptic number.

It is an amenable number.

213456113 is a deficient number, since it is larger than the sum of its proper divisors (16419715).

213456113 is a wasteful number, since it uses less digits than its factorization.

213456113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16419714.

The product of its digits is 2160, while the sum is 26.

The square root of 213456113 is about 14610.1373367946. The cubic root of 213456113 is about 597.6352411780.

The spelling of 213456113 in words is "two hundred thirteen million, four hundred fifty-six thousand, one hundred thirteen".