2085075513 has 20 divisors (see below), whose sum is σ = 3118865508. Its totient is φ = 1388210400.

The previous prime is 2085075493. The next prime is 2085075521. The reversal of 2085075513 is 3155705802.

2085075513 is a `hidden beast` number, since 20 + 8 + 50 + 75 + 513 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 677925369 + 1407150144 = 26037^2 + 37512^2 .

It is not a de Polignac number, because 2085075513 - 2⁵ = 2085075481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2085075533) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45963 + ... + 79263.

Almost surely, 2^2085075513 is an apocalyptic number.

It is an amenable number.

2085075513 is a deficient number, since it is larger than the sum of its proper divisors (1033789995).

2085075513 is an equidigital number, since it uses as much as digits as its factorization.

2085075513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34086 (or 34077 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 2085075513 is about 45662.6270926236. The cubic root of 2085075513 is about 1277.5383011202.

The spelling of 2085075513 in words is "two billion, eighty-five million, seventy-five thousand, five hundred thirteen".