509600089 has 2 divisors, whose sum is σ = 509600090. Its totient is φ = 509600088.

The previous prime is 509600059. The next prime is 509600107. The reversal of 509600089 is 980006905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402684489 + 106915600 = 20067^2 + 10340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509600089 is a prime.

It is not a weakly prime, because it can be changed into another prime (509600059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254800044 + 254800045.

It is an arithmetic number, because the mean of its divisors is an integer number (254800045).

Almost surely, 2^509600089 is an apocalyptic number.

It is an amenable number.

509600089 is a deficient number, since it is larger than the sum of its proper divisors (1).

509600089 is an equidigital number, since it uses as much as digits as its factorization.

509600089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 509600089 is about 22574.3236665022. The cubic root of 509600089 is about 798.7480882724.

The spelling of 509600089 in words is "five hundred nine million, six hundred thousand, eighty-nine".