5267561785 has 4 divisors (see below), whose sum is σ = 6321074148. Its totient is φ = 4214049424.

The previous prime is 5267561773. The next prime is 5267561837. The reversal of 5267561785 is 5871657625.

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 1652666409 + 3614895376 = 40653^2 + 60124^2 .

It is a cyclic number.

It is not a de Polignac number, because 5267561785 - 2⁵ = 5267561753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 526756174 + ... + 526756183.

It is an arithmetic number, because the mean of its divisors is an integer number (1580268537).

Almost surely, 2^5267561785 is an apocalyptic number.

It is an amenable number.

5267561785 is a deficient number, since it is larger than the sum of its proper divisors (1053512363).

5267561785 is a wasteful number, since it uses less digits than its factorization.

5267561785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053512362.

The product of its digits is 3528000, while the sum is 52.

The square root of 5267561785 is about 72577.9703835813. The cubic root of 5267561785 is about 1739.9491094686.

The spelling of 5267561785 in words is "five billion, two hundred sixty-seven million, five hundred sixty-one thousand, seven hundred eighty-five".