213346463 has 16 divisors (see below), whose sum is σ = 238809120. Its totient is φ = 188956800.

The previous prime is 213346453. The next prime is 213346499. The reversal of 213346463 is 364643312.

It is a cyclic number.

It is not a de Polignac number, because 213346463 - 2¹⁰ = 213345439 is a prime.

It is a super-2 number, since 2×213346463² = 91033426549220738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213346453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71681 + ... + 74597.

It is an arithmetic number, because the mean of its divisors is an integer number (14925570).

Almost surely, 2^213346463 is an apocalyptic number.

213346463 is a deficient number, since it is larger than the sum of its proper divisors (25462657).

213346463 is a wasteful number, since it uses less digits than its factorization.

213346463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its digits is 31104, while the sum is 32.

The square root of 213346463 is about 14606.3843233019. The cubic root of 213346463 is about 597.5328908208.

Adding to 213346463 its reverse (364643312), we get a palindrome (577989775).

The spelling of 213346463 in words is "two hundred thirteen million, three hundred forty-six thousand, four hundred sixty-three".