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530500823 is a prime number
BaseRepresentation
bin11111100111101…
…100110011010111
31100222020020022122
4133213230303113
52041302011243
6124350250155
716101116426
oct3747546327
91328206278
10530500823
112524aa136
121297b695b
1385ba4018
14506552bd
1531890668
hex1f9eccd7

530500823 has 2 divisors, whose sum is σ = 530500824. Its totient is φ = 530500822.

The previous prime is 530500811. The next prime is 530500829. The reversal of 530500823 is 328005035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530500823 - 212 = 530496727 is a prime.

It is a super-2 number, since 2×5305008232 = 562862246407354658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 530500792 and 530500801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530500829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265250411 + 265250412.

It is an arithmetic number, because the mean of its divisors is an integer number (265250412).

Almost surely, 2530500823 is an apocalyptic number.

530500823 is a deficient number, since it is larger than the sum of its proper divisors (1).

530500823 is an equidigital number, since it uses as much as digits as its factorization.

530500823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 530500823 is about 23032.6034785475. The cubic root of 530500823 is about 809.5220586442.

Adding to 530500823 its reverse (328005035), we get a palindrome (858505858).

The spelling of 530500823 in words is "five hundred thirty million, five hundred thousand, eight hundred twenty-three".