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552000257 is a prime number
BaseRepresentation
bin100000111001101…
…101101100000001
31102110200111222222
4200321231230001
52112303002012
6130435140425
716451632124
oct4071555401
91373614888
10552000257
11263653a66
12134a44715
138a490a93
14534503bb
15336da972
hex20e6db01

552000257 has 2 divisors, whose sum is σ = 552000258. Its totient is φ = 552000256.

The previous prime is 552000223. The next prime is 552000259. The reversal of 552000257 is 752000255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474542656 + 77457601 = 21784^2 + 8801^2 .

It is a cyclic number.

It is not a de Polignac number, because 552000257 - 26 = 552000193 is a prime.

Together with 552000259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (552000259) 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, 276000128 + 276000129.

It is an arithmetic number, because the mean of its divisors is an integer number (276000129).

Almost surely, 2552000257 is an apocalyptic number.

It is an amenable number.

552000257 is a deficient number, since it is larger than the sum of its proper divisors (1).

552000257 is an equidigital number, since it uses as much as digits as its factorization.

552000257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 552000257 is about 23494.6857182640. The cubic root of 552000257 is about 820.3133132475.

The spelling of 552000257 in words is "five hundred fifty-two million, two hundred fifty-seven", and thus it is an aban number.