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511201 is a prime number
BaseRepresentation
bin1111100110011100001
3221222020101
41330303201
5112324301
614542401
74226245
oct1746341
9858211
10511201
1131a089
12207a01
1314b8b2
14d4425
15a1701
hex7cce1

511201 has 2 divisors, whose sum is σ = 511202. Its totient is φ = 511200.

The previous prime is 511193. The next prime is 511211. The reversal of 511201 is 102115.

It is a happy number.

It is an a-pointer prime, because the next prime (511211) can be obtained adding 511201 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421201 + 90000 = 649^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 511201 - 23 = 511193 is a prime.

It is a super-2 number, since 2×5112012 = 522652924802, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (511211) 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, 255600 + 255601.

It is an arithmetic number, because the mean of its divisors is an integer number (255601).

2511201 is an apocalyptic number.

It is an amenable number.

511201 is a deficient number, since it is larger than the sum of its proper divisors (1).

511201 is an equidigital number, since it uses as much as digits as its factorization.

511201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 511201 is about 714.9832165862. The cubic root of 511201 is about 79.9583637507.

Adding to 511201 its reverse (102115), we get a palindrome (613316).

The spelling of 511201 in words is "five hundred eleven thousand, two hundred one".