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1005054461 is a prime number
BaseRepresentation
bin111011111001111…
…110100111111101
32121001012001112022
4323321332213331
54024243220321
6243421445525
733622551635
oct7371764775
92531161468
101005054461
11476366324
122407108a5
131302b99a8
14976a56c5
155d37ddab
hex3be7e9fd

1005054461 has 2 divisors, whose sum is σ = 1005054462. Its totient is φ = 1005054460.

The previous prime is 1005054397. The next prime is 1005054469. The reversal of 1005054461 is 1644505001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 843612025 + 161442436 = 29045^2 + 12706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005054461 - 26 = 1005054397 is a prime.

It is a Sophie Germain 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 1005054461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005054469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502527230 + 502527231.

It is an arithmetic number, because the mean of its divisors is an integer number (502527231).

Almost surely, 21005054461 is an apocalyptic number.

It is an amenable number.

1005054461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005054461 is an equidigital number, since it uses as much as digits as its factorization.

1005054461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1005054461 is about 31702.5939159558. The cubic root of 1005054461 is about 1001.6819896580.

Adding to 1005054461 its reverse (1644505001), we get a palindrome (2649559462).

The spelling of 1005054461 in words is "one billion, five million, fifty-four thousand, four hundred sixty-one".