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2005024481 is a prime number
BaseRepresentation
bin111011110000010…
…0011111011100001
312011201210210111222
41313200203323201
513101241240411
6530542344425
7100454266265
oct16740437341
95151723458
102005024481
11939869629
1247b58b115
1325c516325
141504060a5
15bb0564db
hex77823ee1

2005024481 has 2 divisors, whose sum is σ = 2005024482. Its totient is φ = 2005024480.

The previous prime is 2005024453. The next prime is 2005024531. The reversal of 2005024481 is 1844205002.

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., 1044582400 + 960442081 = 32320^2 + 30991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2005024481 is a prime.

It is a super-2 number, since 2×20050244812 = 8040246338818638722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005024481.

It is not a weakly prime, because it can be changed into another prime (2005024981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002512240 + 1002512241.

It is an arithmetic number, because the mean of its divisors is an integer number (1002512241).

Almost surely, 22005024481 is an apocalyptic number.

It is an amenable number.

2005024481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005024481 is an equidigital number, since it uses as much as digits as its factorization.

2005024481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 2005024481 is about 44777.4997180504. The cubic root of 2005024481 is about 1260.9752424881.

Adding to 2005024481 its reverse (1844205002), we get a palindrome (3849229483).

The spelling of 2005024481 in words is "two billion, five million, twenty-four thousand, four hundred eighty-one".