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BaseRepresentation
bin1111101010000101
310020222022
433222011
54023013
61212525
7354656
oct175205
9106868
1064133
1144203
1231145
1323264
141952d
1514008
hexfa85

64133 has 4 divisors (see below), whose sum is σ = 65280. Its totient is φ = 62988.

The previous prime is 64123. The next prime is 64151. The reversal of 64133 is 33146.

Adding to 64133 its reverse (33146), we get a palindrome (97279).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33146 = 216573.

It is a cyclic number.

It is not a de Polignac number, because 64133 - 212 = 60037 is a prime.

It is a super-2 number, since 2×641332 = 8226083378, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (16320).

264133 is an apocalyptic number.

It is an amenable number.

64133 is a deficient number, since it is larger than the sum of its proper divisors (1147).

64133 is a wasteful number, since it uses less digits than its factorization.

64133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its digits is 216, while the sum is 17.

The square root of 64133 is about 253.2449407195. The cubic root of 64133 is about 40.0276891617.

The spelling of 64133 in words is "sixty-four thousand, one hundred thirty-three".

Divisors: 1 59 1087 64133