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BaseRepresentation
bin1111110101010101
310021221222
433311111
54033403
61220125
7360035
oct176525
9107858
1064853
11447a8
1231645
1323699
14198c5
1514338
hexfd55

64853 has 2 divisors, whose sum is σ = 64854. Its totient is φ = 64852.

The previous prime is 64849. The next prime is 64871. The reversal of 64853 is 35846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61009 + 3844 = 247^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 64853 - 22 = 64849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64853.

It is not a weakly prime, because it can be changed into another prime (64153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32426 + 32427.

It is an arithmetic number, because the mean of its divisors is an integer number (32427).

264853 is an apocalyptic number.

It is an amenable number.

64853 is a deficient number, since it is larger than the sum of its proper divisors (1).

64853 is an equidigital number, since it uses as much as digits as its factorization.

64853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 64853 is about 254.6625217813. The cubic root of 64853 is about 40.1769246215.

The spelling of 64853 in words is "sixty-four thousand, eight hundred fifty-three".