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530812957 is a prime number
BaseRepresentation
bin11111101000111…
…001000000011101
31100222211002111011
4133220321000131
52041342003312
6124401055221
716103556433
oct3750710035
91328732434
10530812957
112526a26a4
12129927511
1385c8310c
14506d6d53
1531902da7
hex1fa3901d

530812957 has 2 divisors, whose sum is σ = 530812958. Its totient is φ = 530812956.

The previous prime is 530812901. The next prime is 530813011. The reversal of 530812957 is 759218035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518882841 + 11930116 = 22779^2 + 3454^2 .

It is a cyclic number.

It is not a de Polignac number, because 530812957 - 211 = 530810909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530812157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265406478 + 265406479.

It is an arithmetic number, because the mean of its divisors is an integer number (265406479).

Almost surely, 2530812957 is an apocalyptic number.

It is an amenable number.

530812957 is a deficient number, since it is larger than the sum of its proper divisors (1).

530812957 is an equidigital number, since it uses as much as digits as its factorization.

530812957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 530812957 is about 23039.3783987329. The cubic root of 530812957 is about 809.6807953238.

The spelling of 530812957 in words is "five hundred thirty million, eight hundred twelve thousand, nine hundred fifty-seven".