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662369 is a prime number
BaseRepresentation
bin10100001101101100001
31020122121012
42201231201
5132143434
622110305
75426051
oct2415541
91218535
10662369
11412714
1227b395
131a2646
14133561
15d13ce
hexa1b61

662369 has 2 divisors, whose sum is σ = 662370. Its totient is φ = 662368.

The previous prime is 662357. The next prime is 662401. The reversal of 662369 is 963266.

It is an a-pointer prime, because the next prime (662401) can be obtained adding 662369 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 659344 + 3025 = 812^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 662369 - 24 = 662353 is a prime.

It is a super-2 number, since 2×6623692 = 877465384322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (662309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331184 + 331185.

It is an arithmetic number, because the mean of its divisors is an integer number (331185).

2662369 is an apocalyptic number.

It is an amenable number.

662369 is a deficient number, since it is larger than the sum of its proper divisors (1).

662369 is an equidigital number, since it uses as much as digits as its factorization.

662369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 662369 is about 813.8605531662. The cubic root of 662369 is about 87.1699237661.

The spelling of 662369 in words is "six hundred sixty-two thousand, three hundred sixty-nine".