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270913 is a prime number
BaseRepresentation
bin1000010001001000001
3111202121211
41002021001
532132123
65450121
72205556
oct1021101
9452554
10270913
111755a5
12110941
1396406
1470a2d
155540d
hex42241

270913 has 2 divisors, whose sum is σ = 270914. Its totient is φ = 270912.

The previous prime is 270899. The next prime is 270923. The reversal of 270913 is 319072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263169 + 7744 = 513^2 + 88^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-270913 is a prime.

It is equal to p23719 and since 270913 and 23719 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 (270923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135456 + 135457.

It is an arithmetic number, because the mean of its divisors is an integer number (135457).

2270913 is an apocalyptic number.

It is an amenable number.

270913 is a deficient number, since it is larger than the sum of its proper divisors (1).

270913 is an equidigital number, since it uses as much as digits as its factorization.

270913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 270913 is about 520.4930354962. The cubic root of 270913 is about 64.7058105493.

Adding to 270913 its reverse (319072), we get a palindrome (589985).

The spelling of 270913 in words is "two hundred seventy thousand, nine hundred thirteen".