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254125489 is a prime number
BaseRepresentation
bin11110010010110…
…10010110110001
3122201011220122011
433021122112301
51010024003424
641114442521
76204013432
oct1711322661
9581156564
10254125489
111204a1272
1271133441
1340858417
1425a71489
151749b694
hexf25a5b1

254125489 has 2 divisors, whose sum is σ = 254125490. Its totient is φ = 254125488.

The previous prime is 254125471. The next prime is 254125493. The reversal of 254125489 is 984521452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185368225 + 68757264 = 13615^2 + 8292^2 .

It is a cyclic number.

It is not a de Polignac number, because 254125489 - 25 = 254125457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254125889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127062744 + 127062745.

It is an arithmetic number, because the mean of its divisors is an integer number (127062745).

Almost surely, 2254125489 is an apocalyptic number.

It is an amenable number.

254125489 is a deficient number, since it is larger than the sum of its proper divisors (1).

254125489 is an equidigital number, since it uses as much as digits as its factorization.

254125489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 40.

The square root of 254125489 is about 15941.3139044434. The cubic root of 254125489 is about 633.4068305902.

The spelling of 254125489 in words is "two hundred fifty-four million, one hundred twenty-five thousand, four hundred eighty-nine".