612085585 has 16 divisors (see below), whose sum is σ = 739394640. Its totient is φ = 486420480.

The previous prime is 612085567. The next prime is 612085603. The reversal of 612085585 is 585580216.

It is an interprime number because it is at equal distance from previous prime (612085567) and next prime (612085603).

It can be written as a sum of positive squares in 8 ways, for example, as 488586816 + 123498769 = 22104^2 + 11113^2 .

It is not a de Polignac number, because 612085585 - 2⁷ = 612085457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658401 + ... + 659329.

It is an arithmetic number, because the mean of its divisors is an integer number (46212165).

Almost surely, 2^612085585 is an apocalyptic number.

It is an amenable number.

612085585 is a deficient number, since it is larger than the sum of its proper divisors (127309055).

612085585 is a wasteful number, since it uses less digits than its factorization.

612085585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 612085585 is about 24740.3634775239. The cubic root of 612085585 is about 849.0580499643.

The spelling of 612085585 in words is "six hundred twelve million, eighty-five thousand, five hundred eighty-five".