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53163161 is a prime number
BaseRepresentation
bin1100101011001…
…1010010011001
310201000222010222
43022303102121
5102102210121
65135245425
71213610432
oct312632231
9121028128
1053163161
11280112a7
1215979875
13b0250bc
1470bc489
154a020ab
hex32b3499

53163161 has 2 divisors, whose sum is σ = 53163162. Its totient is φ = 53163160.

The previous prime is 53163151. The next prime is 53163169. The reversal of 53163161 is 16136135.

53163161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 11689561 = 6440^2 + 3419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53163161 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53163161.

It is not a weakly prime, because it can be changed into another prime (53163169) 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, 26581580 + 26581581.

It is an arithmetic number, because the mean of its divisors is an integer number (26581581).

Almost surely, 253163161 is an apocalyptic number.

It is an amenable number.

53163161 is a deficient number, since it is larger than the sum of its proper divisors (1).

53163161 is an equidigital number, since it uses as much as digits as its factorization.

53163161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 53163161 is about 7291.3072216167. The cubic root of 53163161 is about 376.0136392555.

Adding to 53163161 its reverse (16136135), we get a palindrome (69299296).

The spelling of 53163161 in words is "fifty-three million, one hundred sixty-three thousand, one hundred sixty-one".