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65253 = 321751
BaseRepresentation
bin1111111011100101
310022111210
433323211
54042003
61222033
7361146
oct177345
9108453
1065253
1145031
1231919
1323916
1419acd
1514503
hexfee5

65253 has 4 divisors (see below), whose sum is σ = 87008. Its totient is φ = 43500.

The previous prime is 65239. The next prime is 65257. The reversal of 65253 is 35256.

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.

It is not a de Polignac number, because 65253 - 28 = 64997 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

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 (65257) 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, 10873 + ... + 10878.

It is an arithmetic number, because the mean of its divisors is an integer number (21752).

265253 is an apocalyptic number.

It is an amenable number.

65253 is a deficient number, since it is larger than the sum of its proper divisors (21755).

65253 is a wasteful number, since it uses less digits than its factorization.

65253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21754.

The product of its digits is 900, while the sum is 21.

The square root of 65253 is about 255.4466676236. The cubic root of 65253 is about 40.2593563887.

The spelling of 65253 in words is "sixty-five thousand, two hundred fifty-three".

Divisors: 1 3 21751 65253