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550513 is a prime number
BaseRepresentation
bin10000110011001110001
31000222011101
42012121301
5120104023
615444401
74451665
oct2063161
91028141
10550513
11346677
12226701
13163762
141048a5
15ad1ad
hex86671

550513 has 2 divisors, whose sum is σ = 550514. Its totient is φ = 550512.

The previous prime is 550489. The next prime is 550519. The reversal of 550513 is 315055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288369 + 262144 = 537^2 + 512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550513 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (550519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275256 + 275257.

It is an arithmetic number, because the mean of its divisors is an integer number (275257).

2550513 is an apocalyptic number.

It is an amenable number.

550513 is a deficient number, since it is larger than the sum of its proper divisors (1).

550513 is an equidigital number, since it uses as much as digits as its factorization.

550513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 550513 is about 741.9656326273. The cubic root of 550513 is about 81.9575925874.

Adding to 550513 its reverse (315055), we get a palindrome (865568).

The spelling of 550513 in words is "five hundred fifty thousand, five hundred thirteen".