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1214565349 is a prime number
BaseRepresentation
bin100100001100100…
…1100101111100101
310010122102022102211
41020121030233211
54441412042344
6320304203421
742045430564
oct11031145745
93118368384
101214565349
11573654a18
1229a909571
1316482402a
14b7441bdb
1571966334
hex4864cbe5

1214565349 has 2 divisors, whose sum is σ = 1214565350. Its totient is φ = 1214565348.

The previous prime is 1214565307. The next prime is 1214565353. The reversal of 1214565349 is 9435654121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214522500 + 42849 = 34850^2 + 207^2 .

It is an emirp because it is prime and its reverse (9435654121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214565349 - 221 = 1212468197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214565379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607282674 + 607282675.

It is an arithmetic number, because the mean of its divisors is an integer number (607282675).

Almost surely, 21214565349 is an apocalyptic number.

It is an amenable number.

1214565349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214565349 is an equidigital number, since it uses as much as digits as its factorization.

1214565349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 1214565349 is about 34850.6147578490. The cubic root of 1214565349 is about 1066.9407327772.

It can be divided in two parts, 1214 and 565349, that multiplied together give a palindrome (686333686).

The spelling of 1214565349 in words is "one billion, two hundred fourteen million, five hundred sixty-five thousand, three hundred forty-nine".