64000562 has 4 divisors (see below), whose sum is σ = 96000846. Its totient is φ = 32000280.

The previous prime is 64000561. The next prime is 64000571. The reversal of 64000562 is 26500046.

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

It can be written as a sum of positive squares in only one way, i.e., 56715961 + 7284601 = 7531^2 + 2699^2 .

It is not an unprimeable number, because it can be changed into a prime (64000561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000139 + ... + 16000142.

Almost surely, 2^64000562 is an apocalyptic number.

64000562 is a deficient number, since it is larger than the sum of its proper divisors (32000284).

64000562 is a wasteful number, since it uses less digits than its factorization.

64000562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32000283.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 64000562 is about 8000.0351249229. The cubic root of 64000562 is about 400.0011708299.

The spelling of 64000562 in words is "sixty-four million, five hundred sixty-two", and thus it is an aban number.