64485571 has 8 divisors (see below), whose sum is σ = 65540304. Its totient is φ = 63439200.

The previous prime is 64485569. The next prime is 64485581. The reversal of 64485571 is 17558446.

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 64485571 - 2¹ = 64485569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64485581) by changing a digit.

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, 14505 + ... + 18421.

It is an arithmetic number, because the mean of its divisors is an integer number (8192538).

Almost surely, 2^64485571 is an apocalyptic number.

64485571 is a deficient number, since it is larger than the sum of its proper divisors (1054733).

64485571 is a wasteful number, since it uses less digits than its factorization.

64485571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its digits is 134400, while the sum is 40.

The square root of 64485571 is about 8030.2908415574. The cubic root of 64485571 is about 401.0090586113.

It can be divided in two parts, 64485 and 571, that added together give a palindrome (65056).

The spelling of 64485571 in words is "sixty-four million, four hundred eighty-five thousand, five hundred seventy-one".