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530777249 is a prime number
BaseRepresentation
bin11111101000110…
…000010010100001
31100222202021111122
4133220300102201
52041334332444
6124400222025
716103350352
oct3750602241
91328667448
10530777249
11252678892
1212990a915
1385c6caa2
14506c7d29
15318e74ee
hex1fa304a1

530777249 has 2 divisors, whose sum is σ = 530777250. Its totient is φ = 530777248.

The previous prime is 530777239. The next prime is 530777329. The reversal of 530777249 is 942777035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385140625 + 145636624 = 19625^2 + 12068^2 .

It is a cyclic number.

It is not a de Polignac number, because 530777249 - 212 = 530773153 is a prime.

It is not a weakly prime, because it can be changed into another prime (530777209) 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, 265388624 + 265388625.

It is an arithmetic number, because the mean of its divisors is an integer number (265388625).

Almost surely, 2530777249 is an apocalyptic number.

It is an amenable number.

530777249 is a deficient number, since it is larger than the sum of its proper divisors (1).

530777249 is an equidigital number, since it uses as much as digits as its factorization.

530777249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 530777249 is about 23038.6034515984. The cubic root of 530777249 is about 809.6626390663.

The spelling of 530777249 in words is "five hundred thirty million, seven hundred seventy-seven thousand, two hundred forty-nine".