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512869001 is a prime number
BaseRepresentation
bin11110100100011…
…100001010001001
31022202001110000012
4132210130022021
52022243302001
6122520321305
715465212621
oct3644341211
91282043005
10512869001
11243557087
12123913235
138233c7a8
144c185881
153005b2bb
hex1e91c289

512869001 has 2 divisors, whose sum is σ = 512869002. Its totient is φ = 512869000.

The previous prime is 512868949. The next prime is 512869013. The reversal of 512869001 is 100968215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287268601 + 225600400 = 16949^2 + 15020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-512869001 is a prime.

It is a super-2 number, since 2×5128690012 = 526069224373476002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (512869601) 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, 256434500 + 256434501.

It is an arithmetic number, because the mean of its divisors is an integer number (256434501).

Almost surely, 2512869001 is an apocalyptic number.

It is an amenable number.

512869001 is a deficient number, since it is larger than the sum of its proper divisors (1).

512869001 is an equidigital number, since it uses as much as digits as its factorization.

512869001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 512869001 is about 22646.6112476017. The cubic root of 512869001 is about 800.4523488649.

The spelling of 512869001 in words is "five hundred twelve million, eight hundred sixty-nine thousand, one".