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1530713 is a prime number
BaseRepresentation
bin101110101101101011001
32212202202002
411311231121
5342440323
652450345
716003502
oct5655531
92782662
101530713
11956058
126199b5
13417962
142bbba9
15203828
hex175b59

1530713 has 2 divisors, whose sum is σ = 1530714. Its totient is φ = 1530712.

The previous prime is 1530709. The next prime is 1530721. The reversal of 1530713 is 3170351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 283024 = 1117^2 + 532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530713 - 22 = 1530709 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is equal to p116327 and since 1530713 and 116327 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1530703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765356 + 765357.

It is an arithmetic number, because the mean of its divisors is an integer number (765357).

21530713 is an apocalyptic number.

It is an amenable number.

1530713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530713 is an equidigital number, since it uses as much as digits as its factorization.

1530713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 1530713 is about 1237.2198672831. The cubic root of 1530713 is about 115.2474319613.

The spelling of 1530713 in words is "one million, five hundred thirty thousand, seven hundred thirteen".