64485 has 12 divisors (see below), whose sum is σ = 111852. Its totient is φ = 34368.

The previous prime is 64483. The next prime is 64489. The reversal of 64485 is 58446.

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 25281 = 198^2 + 159^2 .

It is not a de Polignac number, because 64485 - 2¹ = 64483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (9321).

2⁶⁴⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

64485 is a deficient number, since it is larger than the sum of its proper divisors (47367).

64485 is a wasteful number, since it uses less digits than its factorization.

64485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444 (or 1441 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 64485 is about 253.9389690457. The cubic root of 64485 is about 40.1007875004.

It can be divided in two parts, 644 and 85, that added together give a 6-th power (729 = 3⁶).

The spelling of 64485 in words is "sixty-four thousand, four hundred eighty-five".