5306123545 has 4 divisors (see below), whose sum is σ = 6367348260. Its totient is φ = 4244898832.

The previous prime is 5306123539. The next prime is 5306123549. The reversal of 5306123545 is 5453216035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3364928064 + 1941195481 = 58008^2 + 44059^2 .

It is a cyclic number.

It is not a de Polignac number, because 5306123545 - 2⁵ = 5306123513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5306123545.

It is not an unprimeable number, because it can be changed into a prime (5306123549) 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 in 3 ways as a sum of consecutive naturals, for example, 530612350 + ... + 530612359.

It is an arithmetic number, because the mean of its divisors is an integer number (1591837065).

Almost surely, 2^5306123545 is an apocalyptic number.

It is an amenable number.

5306123545 is a deficient number, since it is larger than the sum of its proper divisors (1061224715).

5306123545 is a wasteful number, since it uses less digits than its factorization.

5306123545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061224714.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 5306123545 is about 72843.1434316230. The cubic root of 5306123545 is about 1744.1846197298.

The spelling of 5306123545 in words is "five billion, three hundred six million, one hundred twenty-three thousand, five hundred forty-five".