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1057477 is a prime number
BaseRepresentation
bin100000010001011000101
31222201120211
410002023011
5232314402
634355421
711663011
oct4021305
91881524
101057477
11662553
1242bb71
132b0435
141d7541
1515d4d7
hex1022c5

1057477 has 2 divisors, whose sum is σ = 1057478. Its totient is φ = 1057476.

The previous prime is 1057421. The next prime is 1057487. The reversal of 1057477 is 7747501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923521 + 133956 = 961^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057477 - 211 = 1055429 is a prime.

It is a super-2 number, since 2×10574772 = 2236515211058, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528738 + 528739.

It is an arithmetic number, because the mean of its divisors is an integer number (528739).

21057477 is an apocalyptic number.

It is an amenable number.

1057477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057477 is an equidigital number, since it uses as much as digits as its factorization.

1057477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 1057477 is about 1028.3370070167. The cubic root of 1057477 is about 101.8803222783.

The spelling of 1057477 in words is "one million, fifty-seven thousand, four hundred seventy-seven".