64982285 has 4 divisors (see below), whose sum is σ = 77978748. Its totient is φ = 51985824.

The previous prime is 64982257. The next prime is 64982287. The reversal of 64982285 is 58228946.

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 9821956 + 55160329 = 3134^2 + 7427^2 .

It is a cyclic number.

It is not a de Polignac number, because 64982285 - 2⁶ = 64982221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64982287) 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, 6498224 + ... + 6498233.

It is an arithmetic number, because the mean of its divisors is an integer number (19494687).

Almost surely, 2^64982285 is an apocalyptic number.

It is an amenable number.

64982285 is a deficient number, since it is larger than the sum of its proper divisors (12996463).

64982285 is a wasteful number, since it uses less digits than its factorization.

64982285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12996462.

The product of its digits is 276480, while the sum is 44.

The square root of 64982285 is about 8061.1590357715. The cubic root of 64982285 is about 402.0360457930.

The spelling of 64982285 in words is "sixty-four million, nine hundred eighty-two thousand, two hundred eighty-five".