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1488974561 is a prime number
BaseRepresentation
bin101100010111111…
…1111001011100001
310211202202202002222
41120233333023201
511022134141221
6403425520425
751620034464
oct13057771341
93752682088
101488974561
116a453a698
123567a3115
131a9631a49
14101a732db
158aabc9ab
hex58bff2e1

1488974561 has 2 divisors, whose sum is σ = 1488974562. Its totient is φ = 1488974560.

The previous prime is 1488974507. The next prime is 1488974569. The reversal of 1488974561 is 1654798841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995023936 + 493950625 = 31544^2 + 22225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1488974561 - 210 = 1488973537 is a prime.

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 (1488974569) 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, 744487280 + 744487281.

It is an arithmetic number, because the mean of its divisors is an integer number (744487281).

Almost surely, 21488974561 is an apocalyptic number.

It is an amenable number.

1488974561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488974561 is an equidigital number, since it uses as much as digits as its factorization.

1488974561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 53.

The square root of 1488974561 is about 38587.2331348077. The cubic root of 1488974561 is about 1141.9026810926.

The spelling of 1488974561 in words is "one billion, four hundred eighty-eight million, nine hundred seventy-four thousand, five hundred sixty-one".