213810463 has 4 divisors (see below), whose sum is σ = 214052400. Its totient is φ = 213568528.

The previous prime is 213810433. The next prime is 213810481. The reversal of 213810463 is 364018312.

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 213810463 - 2⁵ = 213810431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213810433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119638 + ... + 121411.

It is an arithmetic number, because the mean of its divisors is an integer number (53513100).

Almost surely, 2^213810463 is an apocalyptic number.

213810463 is a deficient number, since it is larger than the sum of its proper divisors (241937).

213810463 is an equidigital number, since it uses as much as digits as its factorization.

213810463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241936.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 213810463 is about 14622.2591619763. The cubic root of 213810463 is about 597.9657618455.

Adding to 213810463 its reverse (364018312), we get a palindrome (577828775).

The spelling of 213810463 in words is "two hundred thirteen million, eight hundred ten thousand, four hundred sixty-three".