5205523 has 2 divisors, whose sum is σ = 5205524. Its totient is φ = 5205522.

The previous prime is 5205491. The next prime is 5205527. The reversal of 5205523 is 3255025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5205523 - 2⁵ = 5205491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5205494 and 5205503.

It is not a weakly prime, because it can be changed into another prime (5205527) 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 as a sum of consecutive naturals, namely, 2602761 + 2602762.

It is an arithmetic number, because the mean of its divisors is an integer number (2602762).

Almost surely, 2^5205523 is an apocalyptic number.

5205523 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205523 is an equidigital number, since it uses as much as digits as its factorization.

5205523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 5205523 is about 2281.5615266742. The cubic root of 5205523 is about 173.3091357576.

The spelling of 5205523 in words is "five million, two hundred five thousand, five hundred twenty-three".