5631329 has 4 divisors (see below), whose sum is σ = 6143280. Its totient is φ = 5119380.

The previous prime is 5631317. The next prime is 5631341. The reversal of 5631329 is 9231365.

5631329 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5631317) and next prime (5631341).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5631329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5631349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255959 + ... + 255980.

It is an arithmetic number, because the mean of its divisors is an integer number (1535820).

Almost surely, 2^5631329 is an apocalyptic number.

It is an amenable number.

5631329 is a deficient number, since it is larger than the sum of its proper divisors (511951).

5631329 is a wasteful number, since it uses less digits than its factorization.

5631329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511950.

The product of its digits is 4860, while the sum is 29.

The square root of 5631329 is about 2373.0421403759. The cubic root of 5631329 is about 177.9113411948.

The spelling of 5631329 in words is "five million, six hundred thirty-one thousand, three hundred twenty-nine".