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255141517 is a prime number
BaseRepresentation
bin11110011010100…
…10011010001101
3122210002112100211
433031102122031
51010304012032
641152322421
76215444551
oct1715223215
9583075324
10255141517
11121025664
1271543411
1340b22a17
1425c57861
15175ec747
hexf35268d

255141517 has 2 divisors, whose sum is σ = 255141518. Its totient is φ = 255141516.

The previous prime is 255141499. The next prime is 255141527. The reversal of 255141517 is 715141552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141633801 + 113507716 = 11901^2 + 10654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255141517 is a prime.

It is a super-2 number, since 2×2551415172 = 130194387394122578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255141527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127570758 + 127570759.

It is an arithmetic number, because the mean of its divisors is an integer number (127570759).

Almost surely, 2255141517 is an apocalyptic number.

It is an amenable number.

255141517 is a deficient number, since it is larger than the sum of its proper divisors (1).

255141517 is an equidigital number, since it uses as much as digits as its factorization.

255141517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 31.

The square root of 255141517 is about 15973.1498772158. The cubic root of 255141517 is about 634.2498567386.

The spelling of 255141517 in words is "two hundred fifty-five million, one hundred forty-one thousand, five hundred seventeen".