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65155253 is a prime number
BaseRepresentation
bin1111100010001…
…1000010110101
311112121020012112
43320203002311
5113134432003
610244300405
71420545002
oct370430265
9145536175
1065155253
1133862119
12199a1705
1310663607
1489208a9
155ac03d8
hex3e230b5

65155253 has 2 divisors, whose sum is σ = 65155254. Its totient is φ = 65155252.

The previous prime is 65155247. The next prime is 65155283. The reversal of 65155253 is 35255156.

65155253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33097009 + 32058244 = 5753^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 65155253 - 218 = 64893109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65155283) 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, 32577626 + 32577627.

It is an arithmetic number, because the mean of its divisors is an integer number (32577627).

Almost surely, 265155253 is an apocalyptic number.

It is an amenable number.

65155253 is a deficient number, since it is larger than the sum of its proper divisors (1).

65155253 is an equidigital number, since it uses as much as digits as its factorization.

65155253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22500, while the sum is 32.

The square root of 65155253 is about 8071.8803881128. The cubic root of 65155253 is about 402.3924391420.

The spelling of 65155253 in words is "sixty-five million, one hundred fifty-five thousand, two hundred fifty-three".