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211025053 is a prime number
BaseRepresentation
bin11001001001111…
…11110010011101
3112201002011221201
430210333302131
5413010300203
632534555501
75141453251
oct1444776235
9481064851
10211025053
11a9133278
125a808b91
13349475c5
1420052261
15137d5e1d
hexc93fc9d

211025053 has 2 divisors, whose sum is σ = 211025054. Its totient is φ = 211025052.

The previous prime is 211025051. The next prime is 211025107. The reversal of 211025053 is 350520112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185995044 + 25030009 = 13638^2 + 5003^2 .

It is a cyclic number.

It is not a de Polignac number, because 211025053 - 21 = 211025051 is a prime.

Together with 211025051, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211025053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211025051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105512526 + 105512527.

It is an arithmetic number, because the mean of its divisors is an integer number (105512527).

Almost surely, 2211025053 is an apocalyptic number.

It is an amenable number.

211025053 is a deficient number, since it is larger than the sum of its proper divisors (1).

211025053 is an equidigital number, since it uses as much as digits as its factorization.

211025053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 211025053 is about 14526.7013805612. The cubic root of 211025053 is about 595.3577426361.

Adding to 211025053 its reverse (350520112), we get a palindrome (561545165).

The spelling of 211025053 in words is "two hundred eleven million, twenty-five thousand, fifty-three".