64507105 has 8 divisors (see below), whose sum is σ = 83363112. Its totient is φ = 47635968.

The previous prime is 64507081. The next prime is 64507117. The reversal of 64507105 is 50170546.

64507105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1018081 + 63489024 = 1009^2 + 7968^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64507105 - 2⁹ = 64506593 is a prime.

It is a super-2 number, since 2×64507105² = 8322333190962050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 496144 + ... + 496273.

It is an arithmetic number, because the mean of its divisors is an integer number (10420389).

Almost surely, 2^64507105 is an apocalyptic number.

64507105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64507105 is a deficient number, since it is larger than the sum of its proper divisors (18856007).

64507105 is a wasteful number, since it uses less digits than its factorization.

64507105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992435.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 64507105 is about 8031.6315279027. The cubic root of 64507105 is about 401.0536906528.

The spelling of 64507105 in words is "sixty-four million, five hundred seven thousand, one hundred five".