655461601 has 8 divisors (see below), whose sum is σ = 691048800. Its totient is φ = 619983360.

The previous prime is 655461559. The next prime is 655461637. The reversal of 655461601 is 106164556.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655461601 - 2⁹ = 655461089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655461641) 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 7 ways as a sum of consecutive naturals, for example, 14731 + ... + 39088.

It is an arithmetic number, because the mean of its divisors is an integer number (86381100).

Almost surely, 2^655461601 is an apocalyptic number.

It is an amenable number.

655461601 is a deficient number, since it is larger than the sum of its proper divisors (35587199).

655461601 is a wasteful number, since it uses less digits than its factorization.

655461601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54479.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 655461601 is about 25601.9843176266. The cubic root of 655461601 is about 868.6585222865.

The spelling of 655461601 in words is "six hundred fifty-five million, four hundred sixty-one thousand, six hundred one".