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1056641 is a prime number
BaseRepresentation
bin100000001111110000001
31222200102212
410001332001
5232303031
634351505
711660405
oct4017601
91880385
101056641
11661963
1242b595
132acc41
141d7105
1515d12b
hex101f81

1056641 has 2 divisors, whose sum is σ = 1056642. Its totient is φ = 1056640.

The previous prime is 1056623. The next prime is 1056659. The reversal of 1056641 is 1466501.

It is a balanced prime because it is at equal distance from previous prime (1056623) and next prime (1056659).

It can be written as a sum of positive squares in only one way, i.e., 863041 + 193600 = 929^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056641 - 26 = 1056577 is a prime.

It is a super-2 number, since 2×10566412 = 2232980405762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1056241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528320 + 528321.

It is an arithmetic number, because the mean of its divisors is an integer number (528321).

21056641 is an apocalyptic number.

It is an amenable number.

1056641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056641 is an equidigital number, since it uses as much as digits as its factorization.

1056641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1056641 is about 1027.9304451178. The cubic root of 1056641 is about 101.8534676662.

The spelling of 1056641 in words is "one million, fifty-six thousand, six hundred forty-one".