5256536305 has 8 divisors (see below), whose sum is σ = 6308793000. Its totient is φ = 4204596096.

The previous prime is 5256536293. The next prime is 5256536309. The reversal of 5256536305 is 5036356525.

It can be written as a sum of positive squares in 4 ways, for example, as 2239560976 + 3016975329 = 47324^2 + 54927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5256536305 - 2⁷ = 5256536177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5256536309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40900 + ... + 110389.

It is an arithmetic number, because the mean of its divisors is an integer number (788599125).

Almost surely, 2^5256536305 is an apocalyptic number.

It is an amenable number.

5256536305 is a deficient number, since it is larger than the sum of its proper divisors (1052256695).

5256536305 is a wasteful number, since it uses less digits than its factorization.

5256536305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158243.

The product of its (nonzero) digits is 405000, while the sum is 40.

The square root of 5256536305 is about 72501.9744903544. The cubic root of 5256536305 is about 1738.7343049138.

The spelling of 5256536305 in words is "five billion, two hundred fifty-six million, five hundred thirty-six thousand, three hundred five".