5531623 has 2 divisors, whose sum is σ = 5531624. Its totient is φ = 5531622.

The previous prime is 5531621. The next prime is 5531627. The reversal of 5531623 is 3261355.

It is a happy number.

5531623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5531623 - 2¹ = 5531621 is a prime.

Together with 5531621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5531621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765811 + 2765812.

It is an arithmetic number, because the mean of its divisors is an integer number (2765812).

Almost surely, 2^5531623 is an apocalyptic number.

5531623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531623 is an equidigital number, since it uses as much as digits as its factorization.

5531623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 5531623 is about 2351.9402628468. The cubic root of 5531623 is about 176.8550741079.

Adding to 5531623 its reverse (3261355), we get a palindrome (8792978).

The spelling of 5531623 in words is "five million, five hundred thirty-one thousand, six hundred twenty-three".