64519085 has 8 divisors (see below), whose sum is σ = 77521920. Its totient is φ = 51549264.

The previous prime is 64519067. The next prime is 64519093. The reversal of 64519085 is 58091546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64519085 - 2¹⁶ = 64453549 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3725 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (9690240).

Almost surely, 2^64519085 is an apocalyptic number.

It is an amenable number.

64519085 is a deficient number, since it is larger than the sum of its proper divisors (13002835).

64519085 is a wasteful number, since it uses less digits than its factorization.

64519085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 64519085 is about 8032.3772944254. The cubic root of 64519085 is about 401.0785164753.

The spelling of 64519085 in words is "sixty-four million, five hundred nineteen thousand, eighty-five".