655017601 has 8 divisors (see below), whose sum is σ = 748773504. Its totient is φ = 561307200.

The previous prime is 655017553. The next prime is 655017607. The reversal of 655017601 is 106710556.

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 655017601 - 2²⁹ = 118146689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655017607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29076 + ... + 46426.

It is an arithmetic number, because the mean of its divisors is an integer number (93596688).

Almost surely, 2^655017601 is an apocalyptic number.

It is an amenable number.

655017601 is a deficient number, since it is larger than the sum of its proper divisors (93755903).

655017601 is a wasteful number, since it uses less digits than its factorization.

655017601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 655017601 is about 25593.3116458187. The cubic root of 655017601 is about 868.4623391683.

The spelling of 655017601 in words is "six hundred fifty-five million, seventeen thousand, six hundred one".