601669 has 2 divisors, whose sum is σ = 601670. Its totient is φ = 601668.

The previous prime is 601651. The next prime is 601687. The reversal of 601669 is 966106.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (601651) and next prime (601687).

It can be written as a sum of positive squares in only one way, i.e., 580644 + 21025 = 762^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 601669 - 2⁷ = 601541 is a prime.

It is a super-2 number, since 2×601669² = 724011171122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300834 + 300835.

It is an arithmetic number, because the mean of its divisors is an integer number (300835).

2⁶⁰¹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

601669 is a deficient number, since it is larger than the sum of its proper divisors (1).

601669 is an equidigital number, since it uses as much as digits as its factorization.

601669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 601669 is about 775.6732559525. The cubic root of 601669 is about 84.4213990797.

The spelling of 601669 in words is "six hundred one thousand, six hundred sixty-nine".