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1005241481 is a prime number
BaseRepresentation
bin111011111010101…
…100010010001001
32121001112120001222
4323322230102021
54024320211411
6243425451425
733624261116
oct7372542211
92531476058
101005241481
11476483892
122407a0b75
13130353b5a
149771390d
155d3b94db
hex3beac489

1005241481 has 2 divisors, whose sum is σ = 1005241482. Its totient is φ = 1005241480.

The previous prime is 1005241477. The next prime is 1005241547. The reversal of 1005241481 is 1841425001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902401600 + 102839881 = 30040^2 + 10141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005241481 - 22 = 1005241477 is a prime.

It is a super-2 number, since 2×10052414812 = 2021020870246146722, 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 1005241481.

It is not a weakly prime, because it can be changed into another prime (1005241411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502620740 + 502620741.

It is an arithmetic number, because the mean of its divisors is an integer number (502620741).

Almost surely, 21005241481 is an apocalyptic number.

It is an amenable number.

1005241481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005241481 is an equidigital number, since it uses as much as digits as its factorization.

1005241481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1005241481 is about 31705.5433796679. The cubic root of 1005241481 is about 1001.7441166220.

Adding to 1005241481 its reverse (1841425001), we get a palindrome (2846666482).

The spelling of 1005241481 in words is "one billion, five million, two hundred forty-one thousand, four hundred eighty-one".