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1310552657 is a prime number
BaseRepresentation
bin100111000011101…
…0111001001010001
310101100000222021022
41032013113021101
510141000141112
6334013405225
744322341141
oct11607271121
93340028238
101310552657
11612855677
12306a99815
1317b69125b
14c60aa921
157a0c6d72
hex4e1d7251

1310552657 has 2 divisors, whose sum is σ = 1310552658. Its totient is φ = 1310552656.

The previous prime is 1310552651. The next prime is 1310552701. The reversal of 1310552657 is 7562550131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1057615441 + 252937216 = 32521^2 + 15904^2 .

It is an emirp because it is prime and its reverse (7562550131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310552657 is a prime.

It is a super-3 number, since 3×13105526573 (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1310552651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655276328 + 655276329.

It is an arithmetic number, because the mean of its divisors is an integer number (655276329).

Almost surely, 21310552657 is an apocalyptic number.

It is an amenable number.

1310552657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310552657 is an equidigital number, since it uses as much as digits as its factorization.

1310552657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1310552657 is about 36201.5560024704. The cubic root of 1310552657 is about 1094.3380295899.

The spelling of 1310552657 in words is "one billion, three hundred ten million, five hundred fifty-two thousand, six hundred fifty-seven".