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255460061 is a prime number
BaseRepresentation
bin11110011101000…
…00001011011101
3122210200201022202
433032200023131
51010344210221
641203221245
76221242343
oct1716401335
9583621282
10255460061
11121222a1a
1271677825
1340c049cc
1425cdb993
1517661d0b
hexf3a02dd

255460061 has 2 divisors, whose sum is σ = 255460062. Its totient is φ = 255460060.

The previous prime is 255460013. The next prime is 255460063. The reversal of 255460061 is 160064552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 123899161 = 11470^2 + 11131^2 .

It is a cyclic number.

It is not a de Polignac number, because 255460061 - 210 = 255459037 is a prime.

It is a super-2 number, since 2×2554600612 = 130519685532247442, which contains 22 as substring.

Together with 255460063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255460063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127730030 + 127730031.

It is an arithmetic number, because the mean of its divisors is an integer number (127730031).

Almost surely, 2255460061 is an apocalyptic number.

It is an amenable number.

255460061 is a deficient number, since it is larger than the sum of its proper divisors (1).

255460061 is an equidigital number, since it uses as much as digits as its factorization.

255460061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 255460061 is about 15983.1179999398. The cubic root of 255460061 is about 634.5137004624.

The spelling of 255460061 in words is "two hundred fifty-five million, four hundred sixty thousand, sixty-one".