5255327861 has 24 divisors (see below), whose sum is σ = 6623527680. Its totient is φ = 4140968832.

The previous prime is 5255327821. The next prime is 5255327867. The reversal of 5255327861 is 1687235525.

It is not a de Polignac number, because 5255327861 - 2⁶ = 5255327797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255327867) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 37541 + ... + 109178.

It is an arithmetic number, because the mean of its divisors is an integer number (275980320).

Almost surely, 2^5255327861 is an apocalyptic number.

It is an amenable number.

5255327861 is a deficient number, since it is larger than the sum of its proper divisors (1368199819).

5255327861 is a wasteful number, since it uses less digits than its factorization.

5255327861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146793 (or 146786 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 5255327861 is about 72493.6401417393. The cubic root of 5255327861 is about 1738.6010534118.

The spelling of 5255327861 in words is "five billion, two hundred fifty-five million, three hundred twenty-seven thousand, eight hundred sixty-one".