523415085 has 16 divisors (see below), whose sum is σ = 843860160. Its totient is φ = 277022720.

The previous prime is 523415041. The next prime is 523415099. The reversal of 523415085 is 580514325.

It is not a de Polignac number, because 523415085 - 2¹⁶ = 523349549 is a prime.

It is a Curzon number.

It is a congruent number.

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, 131220 + ... + 135149.

It is an arithmetic number, because the mean of its divisors is an integer number (52741260).

Almost surely, 2^523415085 is an apocalyptic number.

It is an amenable number.

523415085 is a deficient number, since it is larger than the sum of its proper divisors (320445075).

523415085 is a wasteful number, since it uses less digits than its factorization.

523415085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266508.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 523415085 is about 22878.2666519997. The cubic root of 523415085 is about 805.9017119545.

The spelling of 523415085 in words is "five hundred twenty-three million, four hundred fifteen thousand, eighty-five".