509573093 has 2 divisors, whose sum is σ = 509573094. Its totient is φ = 509573092.

The previous prime is 509573081. The next prime is 509573117. The reversal of 509573093 is 390375905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489205924 + 20367169 = 22118^2 + 4513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509573093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 509573093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509573003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254786546 + 254786547.

It is an arithmetic number, because the mean of its divisors is an integer number (254786547).

Almost surely, 2^509573093 is an apocalyptic number.

It is an amenable number.

509573093 is a deficient number, since it is larger than the sum of its proper divisors (1).

509573093 is an equidigital number, since it uses as much as digits as its factorization.

509573093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127575, while the sum is 41.

The square root of 509573093 is about 22573.7257226183. The cubic root of 509573093 is about 798.7339834971.

The spelling of 509573093 in words is "five hundred nine million, five hundred seventy-three thousand, ninety-three".