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65241 = 3211659
BaseRepresentation
bin1111111011011001
310022111100
433323121
54041431
61222013
7361131
oct177331
9108440
1065241
1145020
1231909
1323907
1419ac1
15144e6
hexfed9

65241 has 12 divisors (see below), whose sum is σ = 102960. Its totient is φ = 39480.

The previous prime is 65239. The next prime is 65257. The reversal of 65241 is 14256.

It is a happy number.

It is not a de Polignac number, because 65241 - 21 = 65239 is a prime.

It is a Curzon number.

65241 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 (65141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (8580).

265241 is an apocalyptic number.

It is an amenable number.

65241 is a deficient number, since it is larger than the sum of its proper divisors (37719).

65241 is a wasteful number, since it uses less digits than its factorization.

65241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 673 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 65241 is about 255.4231782748. The cubic root of 65241 is about 40.2568883444.

Adding to 65241 its reverse (14256), we get a palindrome (79497).

The spelling of 65241 in words is "sixty-five thousand, two hundred forty-one".

Divisors: 1 3 9 11 33 99 659 1977 5931 7249 21747 65241