1009054817 has 2 divisors, whose sum is σ = 1009054818. Its totient is φ = 1009054816.

The previous prime is 1009054811. The next prime is 1009054841. The reversal of 1009054817 is 7184509001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875213056 + 133841761 = 29584^2 + 11569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009054817 - 2⁴ = 1009054801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009054811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504527408 + 504527409.

It is an arithmetic number, because the mean of its divisors is an integer number (504527409).

Almost surely, 2^1009054817 is an apocalyptic number.

It is an amenable number.

1009054817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009054817 is an equidigital number, since it uses as much as digits as its factorization.

1009054817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 1009054817 is about 31765.6231955238. The cubic root of 1009054817 is about 1003.0092079179.

The spelling of 1009054817 in words is "one billion, nine million, fifty-four thousand, eight hundred seventeen".