64052643 has 8 divisors (see below), whose sum is σ = 85928128. Its totient is φ = 42439464.

The previous prime is 64052563. The next prime is 64052669. The reversal of 64052643 is 34625046.

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

It is not a de Polignac number, because 64052643 - 2¹² = 64048547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64052643.

It is not an unprimeable number, because it can be changed into a prime (64052693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65005 + ... + 65982.

It is an arithmetic number, because the mean of its divisors is an integer number (10741016).

Almost surely, 2^64052643 is an apocalyptic number.

64052643 is a deficient number, since it is larger than the sum of its proper divisors (21875485).

64052643 is a wasteful number, since it uses less digits than its factorization.

64052643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131153.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 64052643 is about 8003.2895111948. The cubic root of 64052643 is about 400.1096428600.

Adding to 64052643 its reverse (34625046), we get a palindrome (98677689).

The spelling of 64052643 in words is "sixty-four million, fifty-two thousand, six hundred forty-three".