655065001 has 8 divisors (see below), whose sum is σ = 696444480. Its totient is φ = 614760432.

The previous prime is 655064947. The next prime is 655065011. The reversal of 655065001 is 100560556.

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 655065001 - 2⁷ = 655064873 is a prime.

It is a super-3 number, since 3×655065001³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655065011) 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, 267471 + ... + 269908.

It is an arithmetic number, because the mean of its divisors is an integer number (87055560).

Almost surely, 2^655065001 is an apocalyptic number.

It is an amenable number.

655065001 is a deficient number, since it is larger than the sum of its proper divisors (41379479).

655065001 is a wasteful number, since it uses less digits than its factorization.

655065001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537455.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 655065001 is about 25594.2376522529. The cubic root of 655065001 is about 868.4832872680.

It can be divided in two parts, 65506 and 5001, that added together give a palindrome (70507).

The spelling of 655065001 in words is "six hundred fifty-five million, sixty-five thousand, one".