5719009 has 2 divisors, whose sum is σ = 5719010. Its totient is φ = 5719008.
The previous prime is 5719001. The next prime is 5719013. The reversal of 5719009 is 9009175.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4774225 + 944784 = 2185^2 + 972^2 .
It is a cyclic number.
It is not a de Polignac number, because 5719009 - 23 = 5719001 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (5719001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859504 + 2859505.
It is an arithmetic number, because the mean of its divisors is an integer number (2859505).
Almost surely, 25719009 is an apocalyptic number.
It is an amenable number.
5719009 is a deficient number, since it is larger than the sum of its proper divisors (1).
5719009 is an equidigital number, since it uses as much as digits as its factorization.
5719009 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2835, while the sum is 31.
The square root of 5719009 is about 2391.4449606880. Note that the first 3 decimals coincide. The cubic root of 5719009 is about 178.8299520079.
The spelling of 5719009 in words is "five million, seven hundred nineteen thousand, nine".
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