5207881585 has 4 divisors (see below), whose sum is σ = 6249457908. Its totient is φ = 4166305264.

The previous prime is 5207881583. The next prime is 5207881607. The reversal of 5207881585 is 5851887025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3158327601 + 2049553984 = 56199^2 + 45272^2 .

It is a cyclic number.

It is not a de Polignac number, because 5207881585 - 2¹ = 5207881583 is a prime.

It is a super-2 number, since 2×5207881585² = 54244061206764224450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5207881583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520788154 + ... + 520788163.

It is an arithmetic number, because the mean of its divisors is an integer number (1562364477).

Almost surely, 2^5207881585 is an apocalyptic number.

It is an amenable number.

5207881585 is a deficient number, since it is larger than the sum of its proper divisors (1041576323).

5207881585 is a wasteful number, since it uses less digits than its factorization.

5207881585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041576322.

The product of its (nonzero) digits is 896000, while the sum is 49.

The square root of 5207881585 is about 72165.6537765716. The cubic root of 5207881585 is about 1733.3530684596.

The spelling of 5207881585 in words is "five billion, two hundred seven million, eight hundred eighty-one thousand, five hundred eighty-five".