655135061 has 16 divisors (see below), whose sum is σ = 774871680. Its totient is φ = 542168640.

The previous prime is 655135051. The next prime is 655135079. The reversal of 655135061 is 160531556.

It is a cyclic number.

It is not a de Polignac number, because 655135061 - 2¹⁰ = 655134037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655135051) 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 in 15 ways as a sum of consecutive naturals, for example, 24275 + ... + 43583.

It is an arithmetic number, because the mean of its divisors is an integer number (48429480).

Almost surely, 2^655135061 is an apocalyptic number.

It is an amenable number.

655135061 is a deficient number, since it is larger than the sum of its proper divisors (119736619).

655135061 is a wasteful number, since it uses less digits than its factorization.

655135061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 655135061 is about 25595.6062831104. The cubic root of 655135061 is about 868.5142479461.

The spelling of 655135061 in words is "six hundred fifty-five million, one hundred thirty-five thousand, sixty-one".