64562443 has 12 divisors (see below), whose sum is σ = 71989272. Its totient is φ = 57422720.

The previous prime is 64562431. The next prime is 64562467. The reversal of 64562443 is 34426546.

64562443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64562443 - 2¹⁷ = 64431371 is a prime.

It is a super-2 number, since 2×64562443² = 8336618092256498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64562399 and 64562408.

It is not an unprimeable number, because it can be changed into a prime (64562423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22971 + ... + 25627.

It is an arithmetic number, because the mean of its divisors is an integer number (5999106).

Almost surely, 2^64562443 is an apocalyptic number.

64562443 is a deficient number, since it is larger than the sum of its proper divisors (7426829).

64562443 is a wasteful number, since it uses less digits than its factorization.

64562443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2715 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 64562443 is about 8035.0757930464. The cubic root of 64562443 is about 401.1683403794.

Adding to 64562443 its reverse (34426546), we get a palindrome (98988989).

The spelling of 64562443 in words is "sixty-four million, five hundred sixty-two thousand, four hundred forty-three".