5259623 has 2 divisors, whose sum is σ = 5259624.
Its totient is φ = 5259622.
The previous prime is 5259619. The next prime is 5259641. The reversal of 5259623 is 3269525.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 5259623 - 22 = 5259619 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 5259623.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5259223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2629811 + 2629812.
It is an arithmetic number, because the mean of its divisors is an integer number (2629812).
Almost surely, 25259623 is an apocalyptic number.
5259623 is a deficient number, since it is larger than the sum of its proper divisors (1).
5259623 is an equidigital number, since it uses as much as digits as its factorization.
5259623 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16200, while the sum is 32.
The square root of 5259623 is about 2293.3867968574.
The cubic root of 5259623 is about 173.9074572852.
The spelling of 5259623 in words is "five million, two hundred fifty-nine thousand, six hundred twenty-three".