Search a number
-
+
4861575497 is a prime number
BaseRepresentation
bin1001000011100010…
…11100000101001001
3110112210220121211202
410201301130011021
534424030403442
62122224233545
7231321465332
oct44161340511
913483817752
104861575497
112075261699
12b3816b8b5
135c62836bc
1434194b289
151d6c11c32
hex121c5c149

4861575497 has 2 divisors, whose sum is σ = 4861575498. Its totient is φ = 4861575496.

The previous prime is 4861575491. The next prime is 4861575539. The reversal of 4861575497 is 7945751684.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2839184656 + 2022390841 = 53284^2 + 44971^2 .

It is a cyclic number.

It is not a de Polignac number, because 4861575497 - 224 = 4844798281 is a prime.

It is not a weakly prime, because it can be changed into another prime (4861575491) 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, 2430787748 + 2430787749.

It is an arithmetic number, because the mean of its divisors is an integer number (2430787749).

Almost surely, 24861575497 is an apocalyptic number.

It is an amenable number.

4861575497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4861575497 is an equidigital number, since it uses as much as digits as its factorization.

4861575497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 56.

The square root of 4861575497 is about 69724.9990821083. Note that the first 3 decimals coincide. The cubic root of 4861575497 is about 1694.0478691786.

The spelling of 4861575497 in words is "four billion, eight hundred sixty-one million, five hundred seventy-five thousand, four hundred ninety-seven".