5243256356 has 24 divisors (see below), whose sum is σ = 9895528440. Its totient is φ = 2416534272.

The previous prime is 5243256349. The next prime is 5243256367. The reversal of 5243256356 is 6536523425.

It can be written as a sum of positive squares in 4 ways, for example, as 480048100 + 4763208256 = 21910^2 + 69016^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34241 + ... + 107976.

It is an arithmetic number, because the mean of its divisors is an integer number (412313685).

Almost surely, 2^5243256356 is an apocalyptic number.

It is an amenable number.

5243256356 is a deficient number, since it is larger than the sum of its proper divisors (4652272084).

5243256356 is a wasteful number, since it uses less digits than its factorization.

5243256356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142943 (or 142941 counting only the distinct ones).

The product of its digits is 648000, while the sum is 41.

The square root of 5243256356 is about 72410.3332128778. Note that the first 3 decimals coincide. The cubic root of 5243256356 is about 1737.2688421221.

The spelling of 5243256356 in words is "five billion, two hundred forty-three million, two hundred fifty-six thousand, three hundred fifty-six".