600401 has 2 divisors, whose sum is σ = 600402. Its totient is φ = 600400.

The previous prime is 600371. The next prime is 600403. The reversal of 600401 is 104006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 22801 = 760^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 600401 - 2⁶ = 600337 is a prime.

Together with 600403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (600403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300200 + 300201.

It is an arithmetic number, because the mean of its divisors is an integer number (300201).

2⁶⁰⁰⁴⁰¹ is an apocalyptic number.

It is an amenable number.

600401 is a deficient number, since it is larger than the sum of its proper divisors (1).

600401 is an equidigital number, since it uses as much as digits as its factorization.

600401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 600401 is about 774.8554703943. The cubic root of 600401 is about 84.3620521513.

Adding to 600401 its reverse (104006), we get a palindrome (704407).

It can be divided in two parts, 600 and 401, that added together give a palindrome (1001).

The spelling of 600401 in words is "six hundred thousand, four hundred one".