64651282 has 8 divisors (see below), whose sum is σ = 98305596. Its totient is φ = 31882752.

The previous prime is 64651267. The next prime is 64651283. The reversal of 64651282 is 28215646.

It can be written as a sum of positive squares in 2 ways, for example, as 64304361 + 346921 = 8019^2 + 589^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64651283) 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, 221263 + ... + 221554.

Almost surely, 2^64651282 is an apocalyptic number.

64651282 is a deficient number, since it is larger than the sum of its proper divisors (33654314).

64651282 is a wasteful number, since it uses less digits than its factorization.

64651282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442892.

The product of its digits is 23040, while the sum is 34.

The square root of 64651282 is about 8040.6020918834. The cubic root of 64651282 is about 401.3522608251.

The spelling of 64651282 in words is "sixty-four million, six hundred fifty-one thousand, two hundred eighty-two".