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1055801 is a prime number
BaseRepresentation
bin100000001110000111001
31222122021202
410001300321
5232241201
634343545
711655065
oct4016071
91878252
101055801
1166126a
1242abb5
132ac746
141d6aa5
1515cc6b
hex101c39

1055801 has 2 divisors, whose sum is σ = 1055802. Its totient is φ = 1055800.

The previous prime is 1055783. The next prime is 1055809. The reversal of 1055801 is 1085501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 7225 = 1024^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055801 - 26 = 1055737 is a prime.

It is a super-2 number, since 2×10558012 = 2229431503202, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1055809) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527900 + 527901.

It is an arithmetic number, because the mean of its divisors is an integer number (527901).

21055801 is an apocalyptic number.

It is an amenable number.

1055801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055801 is an equidigital number, since it uses as much as digits as its factorization.

1055801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1055801 is about 1027.5217759250. The cubic root of 1055801 is about 101.8264702929.

The spelling of 1055801 in words is "one million, fifty-five thousand, eight hundred one".