213513361 has 8 divisors (see below), whose sum is σ = 219631104. Its totient is φ = 207448080.

The previous prime is 213513343. The next prime is 213513367. The reversal of 213513361 is 163315312.

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

It is a cyclic number.

It is not a de Polignac number, because 213513361 - 2⁵ = 213513329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213513367) 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, 4786 + ... + 21211.

It is an arithmetic number, because the mean of its divisors is an integer number (27453888).

Almost surely, 2^213513361 is an apocalyptic number.

It is an amenable number.

213513361 is a deficient number, since it is larger than the sum of its proper divisors (6117743).

213513361 is a wasteful number, since it uses less digits than its factorization.

213513361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26231.

The product of its digits is 1620, while the sum is 25.

The square root of 213513361 is about 14612.0963930574. The cubic root of 213513361 is about 597.6886641254.

Adding to 213513361 its reverse (163315312), we get a palindrome (376828673).

The spelling of 213513361 in words is "two hundred thirteen million, five hundred thirteen thousand, three hundred sixty-one".