463544321 has 4 divisors (see below), whose sum is σ = 490811652. Its totient is φ = 436276992.

The previous prime is 463544299. The next prime is 463544327. The reversal of 463544321 is 123445364.

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 258052096 + 205492225 = 16064^2 + 14335^2 .

It is a cyclic number.

It is not a de Polignac number, because 463544321 - 2¹⁴ = 463527937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463544327) 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, 13633640 + ... + 13633673.

It is an arithmetic number, because the mean of its divisors is an integer number (122702913).

Almost surely, 2^463544321 is an apocalyptic number.

It is an amenable number.

463544321 is a deficient number, since it is larger than the sum of its proper divisors (27267331).

463544321 is a wasteful number, since it uses less digits than its factorization.

463544321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27267330.

The product of its digits is 34560, while the sum is 32.

The square root of 463544321 is about 21530.0794471363. The cubic root of 463544321 is about 773.9218144866.

Adding to 463544321 its reverse (123445364), we get a palindrome (586989685).

The spelling of 463544321 in words is "four hundred sixty-three million, five hundred forty-four thousand, three hundred twenty-one".