301669 has 2 divisors, whose sum is σ = 301670. Its totient is φ = 301668.

The previous prime is 301657. The next prime is 301673. The reversal of 301669 is 966103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 56644 = 495^2 + 238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-301669 is a prime.

It is a super-2 number, since 2×301669² = 182008371122, which contains 22 as substring.

301669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150834 + 150835.

It is an arithmetic number, because the mean of its divisors is an integer number (150835).

2³⁰¹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

301669 is a deficient number, since it is larger than the sum of its proper divisors (1).

301669 is an equidigital number, since it uses as much as digits as its factorization.

301669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 301669 is about 549.2440259120. The cubic root of 301669 is about 67.0672081231.

The spelling of 301669 in words is "three hundred one thousand, six hundred sixty-nine".