6245243305 has 12 divisors (see below), whose sum is σ = 8717850180. Its totient is φ = 4282452384.

The previous prime is 6245243273. The next prime is 6245243317. The reversal of 6245243305 is 5033425426.

It can be written as a sum of positive squares in 2 ways, for example, as 3409041769 + 2836201536 = 58387^2 + 53256^2 .

It is not a de Polignac number, because 6245243305 - 2⁵ = 6245243273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12745150 + ... + 12745639.

It is an arithmetic number, because the mean of its divisors is an integer number (726487515).

Almost surely, 2^6245243305 is an apocalyptic number.

It is an amenable number.

6245243305 is a deficient number, since it is larger than the sum of its proper divisors (2472606875).

6245243305 is a wasteful number, since it uses less digits than its factorization.

6245243305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490808 (or 25490801 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 6245243305 is about 79026.8517973480. The cubic root of 6245243305 is about 1841.5483290078.

The spelling of 6245243305 in words is "six billion, two hundred forty-five million, two hundred forty-three thousand, three hundred five".