64541857 has 8 divisors (see below), whose sum is σ = 66036096. Its totient is φ = 63052752.

The previous prime is 64541833. The next prime is 64541909. The reversal of 64541857 is 75814546.

64541857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64541857 - 2¹¹ = 64539809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64541557) 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 7 ways as a sum of consecutive naturals, for example, 36598 + ... + 38320.

It is an arithmetic number, because the mean of its divisors is an integer number (8254512).

Almost surely, 2^64541857 is an apocalyptic number.

It is an amenable number.

64541857 is a deficient number, since it is larger than the sum of its proper divisors (1494239).

64541857 is a wasteful number, since it uses less digits than its factorization.

64541857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567.

The product of its digits is 134400, while the sum is 40.

The square root of 64541857 is about 8033.7946824648. The cubic root of 64541857 is about 401.1256977894.

The spelling of 64541857 in words is "sixty-four million, five hundred forty-one thousand, eight hundred fifty-seven".