658841 has 2 divisors, whose sum is σ = 658842. Its totient is φ = 658840.

The previous prime is 658837. The next prime is 658871. The reversal of 658841 is 148856.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 648025 + 10816 = 805^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 658841 - 2² = 658837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 658798 and 658807.

It is not a weakly prime, because it can be changed into another prime (658831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329420 + 329421.

It is an arithmetic number, because the mean of its divisors is an integer number (329421).

2⁶⁵⁸⁸⁴¹ is an apocalyptic number.

It is an amenable number.

658841 is a deficient number, since it is larger than the sum of its proper divisors (1).

658841 is an equidigital number, since it uses as much as digits as its factorization.

658841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 32.

The square root of 658841 is about 811.6902118419. The cubic root of 658841 is about 87.0148827316.

The spelling of 658841 in words is "six hundred fifty-eight thousand, eight hundred forty-one".