657366041 has 2 divisors, whose sum is σ = 657366042. Its totient is φ = 657366040.

The previous prime is 657366007. The next prime is 657366077. The reversal of 657366041 is 140663756.

It is a happy number.

657366041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655104025 + 2262016 = 25595^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 657366041 - 2¹⁸ = 657103897 is a prime.

It is a super-2 number, since 2×657366041² = 864260223720027362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 657365986 and 657366004.

It is not a weakly prime, because it can be changed into another prime (657366001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328683020 + 328683021.

It is an arithmetic number, because the mean of its divisors is an integer number (328683021).

Almost surely, 2^657366041 is an apocalyptic number.

It is an amenable number.

657366041 is a deficient number, since it is larger than the sum of its proper divisors (1).

657366041 is an equidigital number, since it uses as much as digits as its factorization.

657366041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 657366041 is about 25639.1505514516. The cubic root of 657366041 is about 869.4990029598.

The spelling of 657366041 in words is "six hundred fifty-seven million, three hundred sixty-six thousand, forty-one".