64935485 has 4 divisors (see below), whose sum is σ = 77922588. Its totient is φ = 51948384.

The previous prime is 64935449. The next prime is 64935487. The reversal of 64935485 is 58453946.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19061956 + 45873529 = 4366^2 + 6773^2 .

It is a cyclic number.

It is not a de Polignac number, because 64935485 - 2¹⁸ = 64673341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64935487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6493544 + ... + 6493553.

It is an arithmetic number, because the mean of its divisors is an integer number (19480647).

Almost surely, 2^64935485 is an apocalyptic number.

It is an amenable number.

64935485 is a deficient number, since it is larger than the sum of its proper divisors (12987103).

64935485 is a wasteful number, since it uses less digits than its factorization.

64935485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987102.

The product of its digits is 518400, while the sum is 44.

The square root of 64935485 is about 8058.2557045554. The cubic root of 64935485 is about 401.9395076588.

The spelling of 64935485 in words is "sixty-four million, nine hundred thirty-five thousand, four hundred eighty-five".