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530641 is a prime number
BaseRepresentation
bin10000001100011010001
3222221220101
42001203101
5113440031
615212401
74340026
oct2014321
9887811
10530641
11332751
12217101
131576b7
14db54d
15a7361
hex818d1

530641 has 2 divisors, whose sum is σ = 530642. Its totient is φ = 530640.

The previous prime is 530609. The next prime is 530653. The reversal of 530641 is 146035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 46225 = 696^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 530641 - 25 = 530609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265320 + 265321.

It is an arithmetic number, because the mean of its divisors is an integer number (265321).

2530641 is an apocalyptic number.

It is an amenable number.

530641 is a deficient number, since it is larger than the sum of its proper divisors (1).

530641 is an equidigital number, since it uses as much as digits as its factorization.

530641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 530641 is about 728.4510965055. The cubic root of 530641 is about 80.9593353777.

Adding to 530641 its reverse (146035), we get a palindrome (676676).

The spelling of 530641 in words is "five hundred thirty thousand, six hundred forty-one".