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707135081 is a prime number
BaseRepresentation
bin101010001001100…
…000011001101001
31211021121011222012
4222021200121221
52422011310311
6154100205305
723344356212
oct5211403151
91737534865
10707135081
11333183064
12178999835
13b3669c33
1469cb4409
154213178b
hex2a260669

707135081 has 2 divisors, whose sum is σ = 707135082. Its totient is φ = 707135080.

The previous prime is 707135057. The next prime is 707135087. The reversal of 707135081 is 180531707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601230400 + 105904681 = 24520^2 + 10291^2 .

It is an emirp because it is prime and its reverse (180531707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 707135081 - 214 = 707118697 is a prime.

It is a super-2 number, since 2×7071350812 = 1000080045561753122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (707135087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353567540 + 353567541.

It is an arithmetic number, because the mean of its divisors is an integer number (353567541).

Almost surely, 2707135081 is an apocalyptic number.

It is an amenable number.

707135081 is a deficient number, since it is larger than the sum of its proper divisors (1).

707135081 is an equidigital number, since it uses as much as digits as its factorization.

707135081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 707135081 is about 26592.0116012309. The cubic root of 707135081 is about 890.9106031587.

Adding to 707135081 its reverse (180531707), we get a palindrome (887666788).

The spelling of 707135081 in words is "seven hundred seven million, one hundred thirty-five thousand, eighty-one".