601969 has 2 divisors, whose sum is σ = 601970. Its totient is φ = 601968.

The previous prime is 601961. The next prime is 601981. The reversal of 601969 is 969106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 288369 = 560^2 + 537^2 .

It is a cyclic number.

It is not a de Polignac number, because 601969 - 2³ = 601961 is a prime.

It is a super-2 number, since 2×601969² = 724733353922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 601969.

It is not a weakly prime, because it can be changed into another prime (601961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300984 + 300985.

It is an arithmetic number, because the mean of its divisors is an integer number (300985).

2⁶⁰¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

601969 is a deficient number, since it is larger than the sum of its proper divisors (1).

601969 is an equidigital number, since it uses as much as digits as its factorization.

601969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 601969 is about 775.8666122472. The cubic root of 601969 is about 84.4354279513.

The spelling of 601969 in words is "six hundred one thousand, nine hundred sixty-nine".