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1348261349 is a prime number
BaseRepresentation
bin101000001011100…
…1101010111100101
310110221222202212112
41100113031113211
510230123330344
6341441530405
745261014051
oct12027152745
93427882775
101348261349
11632070786
12317643a05
13186434ba6
14cb0c4c61
157d574c9e
hex505cd5e5

1348261349 has 2 divisors, whose sum is σ = 1348261350. Its totient is φ = 1348261348.

The previous prime is 1348261283. The next prime is 1348261351. The reversal of 1348261349 is 9431628431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889530625 + 458730724 = 29825^2 + 21418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1348261349 is a prime.

Together with 1348261351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348261399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674130674 + 674130675.

It is an arithmetic number, because the mean of its divisors is an integer number (674130675).

Almost surely, 21348261349 is an apocalyptic number.

It is an amenable number.

1348261349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348261349 is an equidigital number, since it uses as much as digits as its factorization.

1348261349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 1348261349 is about 36718.6784756750. The cubic root of 1348261349 is about 1104.7347831649.

The spelling of 1348261349 in words is "one billion, three hundred forty-eight million, two hundred sixty-one thousand, three hundred forty-nine".