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709097 is a prime number
BaseRepresentation
bin10101101000111101001
31100000200212
42231013221
5140142342
623110505
76012224
oct2550751
91300625
10709097
11444834
122a2435
131ba9ac
141465bb
15e0182
hexad1e9

709097 has 2 divisors, whose sum is σ = 709098. Its totient is φ = 709096.

The previous prime is 709057. The next prime is 709117. The reversal of 709097 is 790907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 10201 = 836^2 + 101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-709097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (709057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354548 + 354549.

It is an arithmetic number, because the mean of its divisors is an integer number (354549).

2709097 is an apocalyptic number.

It is an amenable number.

709097 is a deficient number, since it is larger than the sum of its proper divisors (1).

709097 is an equidigital number, since it uses as much as digits as its factorization.

709097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 709097 is about 842.0789749186. The cubic root of 709097 is about 89.1733774707.

Subtracting 709097 from its reverse (790907), we obtain a triangular number (81810 = T404).

The spelling of 709097 in words is "seven hundred nine thousand, ninety-seven".