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530987461 is a prime number
BaseRepresentation
bin11111101001100…
…011100111000101
31101000010221212021
4133221203213011
52041413044321
6124404523141
716105214254
oct3751434705
91330127767
10530987461
11252801814
121299b04b1
1386014684
145074079b
1531939941
hex1fa639c5

530987461 has 2 divisors, whose sum is σ = 530987462. Its totient is φ = 530987460.

The previous prime is 530987417. The next prime is 530987489. The reversal of 530987461 is 164789035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495952900 + 35034561 = 22270^2 + 5919^2 .

It is a cyclic number.

It is not a de Polignac number, because 530987461 - 29 = 530986949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530987491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265493730 + 265493731.

It is an arithmetic number, because the mean of its divisors is an integer number (265493731).

Almost surely, 2530987461 is an apocalyptic number.

It is an amenable number.

530987461 is a deficient number, since it is larger than the sum of its proper divisors (1).

530987461 is an equidigital number, since it uses as much as digits as its factorization.

530987461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 530987461 is about 23043.1651688738. The cubic root of 530987461 is about 809.7695127369.

The spelling of 530987461 in words is "five hundred thirty million, nine hundred eighty-seven thousand, four hundred sixty-one".