64897 has 8 divisors (see below), whose sum is σ = 75776. Its totient is φ = 54432.

The previous prime is 64891. The next prime is 64901. The reversal of 64897 is 79846.

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

It is a de Polignac number, because none of the positive numbers 2^k-64897 is a prime.

It is a Duffinian number.

64897 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (64891) 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, 448 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (9472).

2⁶⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

64897 is a deficient number, since it is larger than the sum of its proper divisors (10879).

64897 is a wasteful number, since it uses less digits than its factorization.

64897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207.

The product of its digits is 12096, while the sum is 34.

The square root of 64897 is about 254.7488959741. The cubic root of 64897 is about 40.1860086785.

It can be divided in two parts, 64 and 897, that added together give a square (961 = 31²).

The spelling of 64897 in words is "sixty-four thousand, eight hundred ninety-seven".