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26971253 is a prime number
BaseRepresentation
bin110011011100…
…0110001110101
31212202021121022
41212320301311
523401040003
62402030525
7445152251
oct146706165
955667538
1026971253
11142519a1
129048445
13578452a
143821261
15257b738
hex19b8c75

26971253 has 2 divisors, whose sum is σ = 26971254. Its totient is φ = 26971252.

The previous prime is 26971229. The next prime is 26971289. The reversal of 26971253 is 35217962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25170289 + 1800964 = 5017^2 + 1342^2 .

It is a cyclic number.

It is not a de Polignac number, because 26971253 - 214 = 26954869 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 (26911253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13485626 + 13485627.

It is an arithmetic number, because the mean of its divisors is an integer number (13485627).

Almost surely, 226971253 is an apocalyptic number.

It is an amenable number.

26971253 is a deficient number, since it is larger than the sum of its proper divisors (1).

26971253 is an equidigital number, since it uses as much as digits as its factorization.

26971253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 26971253 is about 5193.3855046588. The cubic root of 26971253 is about 299.8934918208.

The spelling of 26971253 in words is "twenty-six million, nine hundred seventy-one thousand, two hundred fifty-three".