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86281253 is a prime number
BaseRepresentation
bin1010010010010…
…00110000100101
320000100112121222
411021020300211
5134042000003
612321150125
72065243562
oct511106045
9200315558
1086281253
1144781423
1224a8b345
1314b4c3c6
14b65d869
157894c38
hex5248c25

86281253 has 2 divisors, whose sum is σ = 86281254. Its totient is φ = 86281252.

The previous prime is 86281243. The next prime is 86281271. The reversal of 86281253 is 35218268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65642404 + 20638849 = 8102^2 + 4543^2 .

It is a cyclic number.

It is not a de Polignac number, because 86281253 - 26 = 86281189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86281243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43140626 + 43140627.

It is an arithmetic number, because the mean of its divisors is an integer number (43140627).

Almost surely, 286281253 is an apocalyptic number.

It is an amenable number.

86281253 is a deficient number, since it is larger than the sum of its proper divisors (1).

86281253 is an equidigital number, since it uses as much as digits as its factorization.

86281253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 86281253 is about 9288.7702630650. The cubic root of 86281253 is about 441.8811556433.

The spelling of 86281253 in words is "eighty-six million, two hundred eighty-one thousand, two hundred fifty-three".