657119041 has 4 divisors (see below), whose sum is σ = 657425284. Its totient is φ = 656812800.

The previous prime is 657118999. The next prime is 657119087. The reversal of 657119041 is 140911756.

657119041 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 516198400 + 140920641 = 22720^2 + 11871^2 .

It is a cyclic number.

It is not a de Polignac number, because 657119041 - 2²¹ = 655021889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 657118988 and 657119006.

It is not an unprimeable number, because it can be changed into a prime (657119941) 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, 149880 + ... + 154201.

It is an arithmetic number, because the mean of its divisors is an integer number (164356321).

Almost surely, 2^657119041 is an apocalyptic number.

It is an amenable number.

657119041 is a deficient number, since it is larger than the sum of its proper divisors (306243).

657119041 is a wasteful number, since it uses less digits than its factorization.

657119041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306242.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 657119041 is about 25634.3332466440. Note that the first 3 decimals coincide. The cubic root of 657119041 is about 869.3900868994.

The spelling of 657119041 in words is "six hundred fifty-seven million, one hundred nineteen thousand, forty-one".