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53251 = 1147103
BaseRepresentation
bin1101000000000011
32201001021
431000003
53201001
61050311
7311152
oct150003
981037
1053251
1137010
1226997
131b313
1415599
1510ba1
hexd003

53251 has 8 divisors (see below), whose sum is σ = 59904. Its totient is φ = 46920.

The previous prime is 53239. The next prime is 53267. The reversal of 53251 is 15235.

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

It is a cyclic number.

It is not a de Polignac number, because 53251 - 211 = 51203 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (53201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466 + ... + 568.

It is an arithmetic number, because the mean of its divisors is an integer number (7488).

253251 is an apocalyptic number.

53251 is a deficient number, since it is larger than the sum of its proper divisors (6653).

53251 is a wasteful number, since it uses less digits than its factorization.

53251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its digits is 150, while the sum is 16.

The square root of 53251 is about 230.7617819311. The cubic root of 53251 is about 37.6220615211.

Subtracting from 53251 its sum of digits (16), we obtain a palindrome (53235).

Adding to 53251 its reverse (15235), we get a palindrome (68486).

The spelling of 53251 in words is "fifty-three thousand, two hundred fifty-one".

Divisors: 1 11 47 103 517 1133 4841 53251