659345041 has 4 divisors (see below), whose sum is σ = 659548084. Its totient is φ = 659142000.

The previous prime is 659345009. The next prime is 659345047. The reversal of 659345041 is 140543956.

659345041 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 260144641 + 399200400 = 16129^2 + 19980^2 .

It is a cyclic number.

It is not a de Polignac number, because 659345041 - 2⁵ = 659345009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659345047) 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, 96570 + ... + 103171.

It is an arithmetic number, because the mean of its divisors is an integer number (164887021).

Almost surely, 2^659345041 is an apocalyptic number.

It is an amenable number.

659345041 is a deficient number, since it is larger than the sum of its proper divisors (203043).

659345041 is a wasteful number, since it uses less digits than its factorization.

659345041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203042.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 659345041 is about 25677.7148710706. The cubic root of 659345041 is about 870.3706708694.

Adding to 659345041 its reverse (140543956), we get a palindrome (799888997).

The spelling of 659345041 in words is "six hundred fifty-nine million, three hundred forty-five thousand, forty-one".