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550213 is a prime number
BaseRepresentation
bin10000110010101000101
31000221202021
42012111011
5120101323
615443141
74451056
oct2062505
91027667
10550213
11346424
122264b1
13163591
1410472d
15ad05d
hex86545

550213 has 2 divisors, whose sum is σ = 550214. Its totient is φ = 550212.

The previous prime is 550211. The next prime is 550241. The reversal of 550213 is 312055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277729 + 272484 = 527^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 550213 - 21 = 550211 is a prime.

Together with 550211, it forms a pair of twin primes.

550213 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275106 + 275107.

It is an arithmetic number, because the mean of its divisors is an integer number (275107).

2550213 is an apocalyptic number.

It is an amenable number.

550213 is a deficient number, since it is larger than the sum of its proper divisors (1).

550213 is an equidigital number, since it uses as much as digits as its factorization.

550213 is an evil number, because the sum of its binary digits is even.

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

The square root of 550213 is about 741.7634393794. The cubic root of 550213 is about 81.9427023878.

Adding to 550213 its reverse (312055), we get a palindrome (862268).

The spelling of 550213 in words is "five hundred fifty thousand, two hundred thirteen".