505060609 has 2 divisors, whose sum is σ = 505060610. Its totient is φ = 505060608.

The previous prime is 505060601. The next prime is 505060631. The reversal of 505060609 is 906060505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429318400 + 75742209 = 20720^2 + 8703^2 .

It is a cyclic number.

It is not a de Polignac number, because 505060609 - 2³ = 505060601 is a prime.

It is not a weakly prime, because it can be changed into another prime (505060601) 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, 252530304 + 252530305.

It is an arithmetic number, because the mean of its divisors is an integer number (252530305).

Almost surely, 2^505060609 is an apocalyptic number.

It is an amenable number.

505060609 is a deficient number, since it is larger than the sum of its proper divisors (1).

505060609 is an equidigital number, since it uses as much as digits as its factorization.

505060609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 505060609 is about 22473.5535463353. The cubic root of 505060609 is about 796.3692811322.

The spelling of 505060609 in words is "five hundred five million, sixty thousand, six hundred nine".