5644523 has 2 divisors, whose sum is σ = 5644524. Its totient is φ = 5644522.

The previous prime is 5644517. The next prime is 5644547. The reversal of 5644523 is 3254465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5644523 - 2⁸ = 5644267 is a prime.

It is not a weakly prime, because it can be changed into another prime (5604523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822261 + 2822262.

It is an arithmetic number, because the mean of its divisors is an integer number (2822262).

Almost surely, 2^5644523 is an apocalyptic number.

5644523 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644523 is an equidigital number, since it uses as much as digits as its factorization.

5644523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 5644523 is about 2375.8204898519. The cubic root of 5644523 is about 178.0501794310.

Adding to 5644523 its reverse (3254465), we get a palindrome (8898988).

The spelling of 5644523 in words is "five million, six hundred forty-four thousand, five hundred twenty-three".