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810053 is a prime number
BaseRepresentation
bin11000101110001000101
31112011011222
43011301011
5201410203
625210125
76612446
oct3056105
91464158
10810053
11503672
12330945
1322492a
141712cd
15110038
hexc5c45

810053 has 2 divisors, whose sum is σ = 810054. Its totient is φ = 810052.

The previous prime is 810049. The next prime is 810059. The reversal of 810053 is 350018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494209 + 315844 = 703^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 810053 - 22 = 810049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405026 + 405027.

It is an arithmetic number, because the mean of its divisors is an integer number (405027).

2810053 is an apocalyptic number.

It is an amenable number.

810053 is a deficient number, since it is larger than the sum of its proper divisors (1).

810053 is an equidigital number, since it uses as much as digits as its factorization.

810053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 810053 is about 900.0294439628. The cubic root of 810053 is about 93.2190082617.

The spelling of 810053 in words is "eight hundred ten thousand, fifty-three".