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6161353141 is a prime number
BaseRepresentation
bin1011011110011111…
…01100100110110101
3120220101200011120111
411233033230212311
5100104301300031
62455215103021
7305453431456
oct55717544665
916811604514
106161353141
112681a17899
12123b511a71
137726413b8
1442641112d
15260dab1b1
hex16f3ec9b5

6161353141 has 2 divisors, whose sum is σ = 6161353142. Its totient is φ = 6161353140.

The previous prime is 6161353127. The next prime is 6161353153. The reversal of 6161353141 is 1413531616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5524800241 + 636552900 = 74329^2 + 25230^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161353141 - 211 = 6161351093 is a prime.

It is a super-2 number, since 2×61613531412 = 75924545056221131762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6161353171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080676570 + 3080676571.

It is an arithmetic number, because the mean of its divisors is an integer number (3080676571).

Almost surely, 26161353141 is an apocalyptic number.

It is an amenable number.

6161353141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161353141 is an equidigital number, since it uses as much as digits as its factorization.

6161353141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 6161353141 is about 78494.2873144282. The cubic root of 6161353141 is about 1833.2655064236.

Adding to 6161353141 its reverse (1413531616), we get a palindrome (7574884757).

The spelling of 6161353141 in words is "six billion, one hundred sixty-one million, three hundred fifty-three thousand, one hundred forty-one".