5210485785 has 40 divisors (see below), whose sum is σ = 9364572360. Its totient is φ = 2771698176.

The previous prime is 5210485781. The next prime is 5210485789. The reversal of 5210485785 is 5875840125.

5210485785 is a `hidden beast` number, since 521 + 0 + 48 + 5 + 7 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (5210485781) and next prime (5210485789).

It can be written as a sum of positive squares in 4 ways, for example, as 146313216 + 5064172569 = 12096^2 + 71163^2 .

It is not a de Polignac number, because 5210485785 - 2² = 5210485781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5210485785.

It is not an unprimeable number, because it can be changed into a prime (5210485781) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 141009 + ... + 174081.

It is an arithmetic number, because the mean of its divisors is an integer number (234114309).

Almost surely, 2^5210485785 is an apocalyptic number.

It is an amenable number.

5210485785 is a deficient number, since it is larger than the sum of its proper divisors (4154086575).

5210485785 is a wasteful number, since it uses less digits than its factorization.

5210485785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33479 (or 33470 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 5210485785 is about 72183.6947308740. The cubic root of 5210485785 is about 1733.6419412503.

The spelling of 5210485785 in words is "five billion, two hundred ten million, four hundred eighty-five thousand, seven hundred eighty-five".