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1095631 is a prime number
BaseRepresentation
bin100001011011111001111
32001122220221
410023133033
5240030011
635252211
712212155
oct4133717
92048827
101095631
11689189
1244a067
132c4904
142073d5
15169971
hex10b7cf

1095631 has 2 divisors, whose sum is σ = 1095632. Its totient is φ = 1095630.

The previous prime is 1095613. The next prime is 1095671. The reversal of 1095631 is 1365901.

Together with previous prime (1095613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1095631 - 27 = 1095503 is a prime.

It is a super-2 number, since 2×10956312 = 2400814576322, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1095596 and 1095605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1095671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547815 + 547816.

It is an arithmetic number, because the mean of its divisors is an integer number (547816).

21095631 is an apocalyptic number.

1095631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095631 is an equidigital number, since it uses as much as digits as its factorization.

1095631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1095631 is about 1046.7239368621. The cubic root of 1095631 is about 103.0911625746.

The spelling of 1095631 in words is "one million, ninety-five thousand, six hundred thirty-one".