5056523309 has 2 divisors, whose sum is σ = 5056523310. Its totient is φ = 5056523308.

The previous prime is 5056523293. The next prime is 5056523327. The reversal of 5056523309 is 9033256505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3231354025 + 1825169284 = 56845^2 + 42722^2 .

It is a cyclic number.

It is not a de Polignac number, because 5056523309 - 2⁴ = 5056523293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5056523359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528261654 + 2528261655.

It is an arithmetic number, because the mean of its divisors is an integer number (2528261655).

Almost surely, 2^5056523309 is an apocalyptic number.

It is an amenable number.

5056523309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5056523309 is an equidigital number, since it uses as much as digits as its factorization.

5056523309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 38.

The square root of 5056523309 is about 71109.2350472145. The cubic root of 5056523309 is about 1716.3953838365.

The spelling of 5056523309 in words is "five billion, fifty-six million, five hundred twenty-three thousand, three hundred nine".