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1905053 is a prime number
BaseRepresentation
bin111010001000110011101
310120210020112
413101012131
5441430203
6104455405
722123043
oct7210635
93523215
101905053
111091327
1277a565
13519167
14378393
152796d8
hex1d119d

1905053 has 2 divisors, whose sum is σ = 1905054. Its totient is φ = 1905052.

The previous prime is 1905049. The next prime is 1905077. The reversal of 1905053 is 3505091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1776889 + 128164 = 1333^2 + 358^2 .

It is an emirp because it is prime and its reverse (3505091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1905053 - 22 = 1905049 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1905023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952526 + 952527.

It is an arithmetic number, because the mean of its divisors is an integer number (952527).

21905053 is an apocalyptic number.

It is an amenable number.

1905053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1905053 is an equidigital number, since it uses as much as digits as its factorization.

1905053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1905053 is about 1380.2365739249. The cubic root of 1905053 is about 123.9659332361.

The spelling of 1905053 in words is "one million, nine hundred five thousand, fifty-three".