1008061009 has 2 divisors, whose sum is σ = 1008061010. Its totient is φ = 1008061008.

The previous prime is 1008061003. The next prime is 1008061013. The reversal of 1008061009 is 9001608001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992061009 + 16000000 = 31497^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008061009 - 2³ = 1008061001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1008061001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504030504 + 504030505.

It is an arithmetic number, because the mean of its divisors is an integer number (504030505).

Almost surely, 2^1008061009 is an apocalyptic number.

It is an amenable number.

1008061009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008061009 is an equidigital number, since it uses as much as digits as its factorization.

1008061009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1008061009 is about 31749.9765196764. The cubic root of 1008061009 is about 1002.6798151757.

The spelling of 1008061009 in words is "one billion, eight million, sixty-one thousand, nine".