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6801541 is a prime number
BaseRepresentation
bin11001111100100010000101
3110210112221221
4121330202011
53220122131
6401440341
7111545365
oct31744205
913715857
106801541
11392610a
1223400b1
131541aa6
14c909a5
158e5411
hex67c885

6801541 has 2 divisors, whose sum is σ = 6801542. Its totient is φ = 6801540.

The previous prime is 6801523. The next prime is 6801551. The reversal of 6801541 is 1451086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6145441 + 656100 = 2479^2 + 810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6801541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6801521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400770 + 3400771.

It is an arithmetic number, because the mean of its divisors is an integer number (3400771).

Almost surely, 26801541 is an apocalyptic number.

It is an amenable number.

6801541 is a deficient number, since it is larger than the sum of its proper divisors (1).

6801541 is an equidigital number, since it uses as much as digits as its factorization.

6801541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 6801541 is about 2607.9764186050. The cubic root of 6801541 is about 189.4679575362.

The spelling of 6801541 in words is "six million, eight hundred one thousand, five hundred forty-one".