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253887341 is a prime number
BaseRepresentation
bin11110010001000…
…00001101101101
3122200201210221212
433020200031231
51004443343331
641105404205
76202002221
oct1710401555
9580653855
10253887341
11120349354
1271039665
13407a3bc6
1425a0c781
1517450d2b
hexf22036d

253887341 has 2 divisors, whose sum is σ = 253887342. Its totient is φ = 253887340.

The previous prime is 253887259. The next prime is 253887343. The reversal of 253887341 is 143788352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237807241 + 16080100 = 15421^2 + 4010^2 .

It is a cyclic number.

It is not a de Polignac number, because 253887341 - 210 = 253886317 is a prime.

Together with 253887343, 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 (253887343) 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, 126943670 + 126943671.

It is an arithmetic number, because the mean of its divisors is an integer number (126943671).

Almost surely, 2253887341 is an apocalyptic number.

It is an amenable number.

253887341 is a deficient number, since it is larger than the sum of its proper divisors (1).

253887341 is an equidigital number, since it uses as much as digits as its factorization.

253887341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 253887341 is about 15933.8426313303. The cubic root of 253887341 is about 633.2089077513.

The spelling of 253887341 in words is "two hundred fifty-three million, eight hundred eighty-seven thousand, three hundred forty-one".