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1995073 is a prime number
BaseRepresentation
bin111100111000101000001
310202100201121
413213011001
51002320243
6110432241
722646353
oct7470501
93670647
101995073
111142a23
12802681
1354b122
1439d0d3
152961ed
hex1e7141

1995073 has 2 divisors, whose sum is σ = 1995074. Its totient is φ = 1995072.

The previous prime is 1995061. The next prime is 1995083. The reversal of 1995073 is 3705991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1620529 + 374544 = 1273^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995073 - 217 = 1864001 is a prime.

1995073 is a lucky number.

It is equal to p148579 and since 1995073 and 148579 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1995013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997536 + 997537.

It is an arithmetic number, because the mean of its divisors is an integer number (997537).

21995073 is an apocalyptic number.

It is an amenable number.

1995073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995073 is an equidigital number, since it uses as much as digits as its factorization.

1995073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 1995073 is about 1412.4705306660. The cubic root of 1995073 is about 125.8885593978. Note that the first 3 decimals are identical.

The spelling of 1995073 in words is "one million, nine hundred ninety-five thousand, seventy-three".