655116529 has 2 divisors, whose sum is σ = 655116530. Its totient is φ = 655116528.

The previous prime is 655116509. The next prime is 655116541. The reversal of 655116529 is 925611556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533610000 + 121506529 = 23100^2 + 11023^2 .

It is a cyclic number.

It is not a de Polignac number, because 655116529 - 2¹⁵ = 655083761 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 655116491 and 655116500.

It is not a weakly prime, because it can be changed into another prime (655116509) 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, 327558264 + 327558265.

It is an arithmetic number, because the mean of its divisors is an integer number (327558265).

Almost surely, 2^655116529 is an apocalyptic number.

It is an amenable number.

655116529 is a deficient number, since it is larger than the sum of its proper divisors (1).

655116529 is an equidigital number, since it uses as much as digits as its factorization.

655116529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 40.

The square root of 655116529 is about 25595.2442652927. The cubic root of 655116529 is about 868.5060585621.

The spelling of 655116529 in words is "six hundred fifty-five million, one hundred sixteen thousand, five hundred twenty-nine".