655024645001 has 4 divisors (see below), whose sum is σ = 655026474900. Its totient is φ = 655022815104.

The previous prime is 655024644991. The next prime is 655024645049. The reversal of 655024645001 is 100546420556.

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 494315861776 + 160708783225 = 703076^2 + 400885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655024645001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655024645201) 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, 182636 + ... + 1159053.

It is an arithmetic number, because the mean of its divisors is an integer number (163756618725).

Almost surely, 2^655024645001 is an apocalyptic number.

It is an amenable number.

655024645001 is a deficient number, since it is larger than the sum of its proper divisors (1829899).

655024645001 is a wasteful number, since it uses less digits than its factorization.

655024645001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829898.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 655024645001 in words is "six hundred fifty-five billion, twenty-four million, six hundred forty-five thousand, one".