655244502601 has 4 divisors (see below), whose sum is σ = 705647925892. Its totient is φ = 604841079312.

The previous prime is 655244502571. The next prime is 655244502623. The reversal of 655244502601 is 106205442556.

It is a happy number.

655244502601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 413932677376 + 241311825225 = 643376^2 + 491235^2 .

It is a cyclic number.

It is not a de Polignac number, because 655244502601 - 2¹⁹ = 655243978313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655244502901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25201711626 + ... + 25201711651.

It is an arithmetic number, because the mean of its divisors is an integer number (176411981473).

Almost surely, 2^655244502601 is an apocalyptic number.

It is an amenable number.

655244502601 is a deficient number, since it is larger than the sum of its proper divisors (50403423291).

655244502601 is a wasteful number, since it uses less digits than its factorization.

655244502601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50403423290.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 655244502601 in words is "six hundred fifty-five billion, two hundred forty-four million, five hundred two thousand, six hundred one".