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64955153 is a prime number
BaseRepresentation
bin1111011111001…
…0001100010001
311112020001201102
43313302030101
5113112031103
610240114145
71416052424
oct367621421
9145201642
1064955153
113373584a
1219905955
13105c3503
1488ab9bb
155a80e88
hex3df2311

64955153 has 2 divisors, whose sum is σ = 64955154. Its totient is φ = 64955152.

The previous prime is 64955141. The next prime is 64955159. The reversal of 64955153 is 35155946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57047809 + 7907344 = 7553^2 + 2812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64955153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (64955159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32477576 + 32477577.

It is an arithmetic number, because the mean of its divisors is an integer number (32477577).

Almost surely, 264955153 is an apocalyptic number.

It is an amenable number.

64955153 is a deficient number, since it is larger than the sum of its proper divisors (1).

64955153 is an equidigital number, since it uses as much as digits as its factorization.

64955153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 64955153 is about 8059.4759755210. The cubic root of 64955153 is about 401.9800840772.

The spelling of 64955153 in words is "sixty-four million, nine hundred fifty-five thousand, one hundred fifty-three".