597994009 has 2 divisors, whose sum is σ = 597994010. Its totient is φ = 597994008.

The previous prime is 597993983. The next prime is 597994051. The reversal of 597994009 is 900499795.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447195609 + 150798400 = 21147^2 + 12280^2 .

It is a cyclic number.

It is not a de Polignac number, because 597994009 - 2¹⁵ = 597961241 is a prime.

It is not a weakly prime, because it can be changed into another prime (597994099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298997004 + 298997005.

It is an arithmetic number, because the mean of its divisors is an integer number (298997005).

Almost surely, 2^597994009 is an apocalyptic number.

It is an amenable number.

597994009 is a deficient number, since it is larger than the sum of its proper divisors (1).

597994009 is an equidigital number, since it uses as much as digits as its factorization.

597994009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 597994009 is about 24453.9160258638. The cubic root of 597994009 is about 842.4916611983.

The spelling of 597994009 in words is "five hundred ninety-seven million, nine hundred ninety-four thousand, nine".