657045041 has 16 divisors (see below), whose sum is σ = 677664768. Its totient is φ = 636854400.

The previous prime is 657044987. The next prime is 657045043. The reversal of 657045041 is 140540756.

657045041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 657045041 - 2⁶ = 657044977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 657044989 and 657045007.

It is not an unprimeable number, because it can be changed into a prime (657045043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214231 + ... + 1214771.

It is an arithmetic number, because the mean of its divisors is an integer number (42354048).

Almost surely, 2^657045041 is an apocalyptic number.

It is an amenable number.

657045041 is a deficient number, since it is larger than the sum of its proper divisors (20619727).

657045041 is a wasteful number, since it uses less digits than its factorization.

657045041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 657045041 is about 25632.8898292799. The cubic root of 657045041 is about 869.3574508637.

Adding to 657045041 its reverse (140540756), we get a palindrome (797585797).

The spelling of 657045041 in words is "six hundred fifty-seven million, forty-five thousand, forty-one".