5312643 has 8 divisors (see below), whose sum is σ = 8095488. Its totient is φ = 3035784.

The previous prime is 5312641. The next prime is 5312651. The reversal of 5312643 is 3462135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5312643 - 2¹ = 5312641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5312641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126471 + ... + 126512.

It is an arithmetic number, because the mean of its divisors is an integer number (1011936).

Almost surely, 2^5312643 is an apocalyptic number.

5312643 is a deficient number, since it is larger than the sum of its proper divisors (2782845).

5312643 is a wasteful number, since it uses less digits than its factorization.

5312643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252993.

The product of its digits is 2160, while the sum is 24.

The square root of 5312643 is about 2304.9171351699. The cubic root of 5312643 is about 174.4898667635.

Adding to 5312643 its reverse (3462135), we get a palindrome (8774778).

The spelling of 5312643 in words is "five million, three hundred twelve thousand, six hundred forty-three".