538574009 has 2 divisors, whose sum is σ = 538574010. Its totient is φ = 538574008.

The previous prime is 538573999. The next prime is 538574017. The reversal of 538574009 is 900475835.

538574009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352387984 + 186186025 = 18772^2 + 13645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538574009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (538574039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269287004 + 269287005.

It is an arithmetic number, because the mean of its divisors is an integer number (269287005).

Almost surely, 2^538574009 is an apocalyptic number.

It is an amenable number.

538574009 is a deficient number, since it is larger than the sum of its proper divisors (1).

538574009 is an equidigital number, since it uses as much as digits as its factorization.

538574009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 538574009 is about 23207.1973534074. The cubic root of 538574009 is about 813.6078502970.

The spelling of 538574009 in words is "five hundred thirty-eight million, five hundred seventy-four thousand, nine".