5325585781 has 8 divisors (see below), whose sum is σ = 5510637720. Its totient is φ = 5140627968.

The previous prime is 5325585779. The next prime is 5325585823. The reversal of 5325585781 is 1875855235.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1413083281 + 3912502500 = 37591^2 + 62550^2 .

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 5325585781 - 2¹ = 5325585779 is a prime.

It is a super-2 number, since 2×5325585781² = 56723727821578759922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5325585721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103245 + ... + 145981.

It is an arithmetic number, because the mean of its divisors is an integer number (688829715).

Almost surely, 2^5325585781 is an apocalyptic number.

It is an amenable number.

5325585781 is a deficient number, since it is larger than the sum of its proper divisors (185051939).

5325585781 is a wasteful number, since it uses less digits than its factorization.

5325585781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47063.

The product of its digits is 1680000, while the sum is 49.

The square root of 5325585781 is about 72976.6111915318. The cubic root of 5325585781 is about 1746.3145056872.

The spelling of 5325585781 in words is "five billion, three hundred twenty-five million, five hundred eighty-five thousand, seven hundred eighty-one".