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970617589 is a prime number
BaseRepresentation
bin111001110110100…
…111001011110101
32111122101111000121
4321312213023311
53441434230324
6240151411541
733024053614
oct7166471365
92448344017
10970617589
114589853a7
12231083bb1
13126120346
1492c9d87b
155a32a5e4
hex39da72f5

970617589 has 2 divisors, whose sum is σ = 970617590. Its totient is φ = 970617588.

The previous prime is 970617587. The next prime is 970617631. The reversal of 970617589 is 985716079.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 790172100 + 180445489 = 28110^2 + 13433^2 .

It is an emirp because it is prime and its reverse (985716079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 970617589 - 21 = 970617587 is a prime.

Together with 970617587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970617587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485308794 + 485308795.

It is an arithmetic number, because the mean of its divisors is an integer number (485308795).

Almost surely, 2970617589 is an apocalyptic number.

It is an amenable number.

970617589 is a deficient number, since it is larger than the sum of its proper divisors (1).

970617589 is an equidigital number, since it uses as much as digits as its factorization.

970617589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 970617589 is about 31154.7362209986. The cubic root of 970617589 is about 990.1083406924.

The spelling of 970617589 in words is "nine hundred seventy million, six hundred seventeen thousand, five hundred eighty-nine".