213641363 has 16 divisors (see below), whose sum is σ = 244179936. Its totient is φ = 185172480.

The previous prime is 213641353. The next prime is 213641371. The reversal of 213641363 is 363146312.

It is a cyclic number.

It is not a de Polignac number, because 213641363 - 2⁶ = 213641299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213641353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125345 + ... + 127037.

It is an arithmetic number, because the mean of its divisors is an integer number (15261246).

Almost surely, 2^213641363 is an apocalyptic number.

213641363 is a deficient number, since it is larger than the sum of its proper divisors (30538573).

213641363 is a wasteful number, since it uses less digits than its factorization.

213641363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294.

The product of its digits is 7776, while the sum is 29.

The square root of 213641363 is about 14616.4757380156. The cubic root of 213641363 is about 597.8080790740.

Adding to 213641363 its reverse (363146312), we get a palindrome (576787675).

The spelling of 213641363 in words is "two hundred thirteen million, six hundred forty-one thousand, three hundred sixty-three".