210601 has 2 divisors, whose sum is σ = 210602. Its totient is φ = 210600.

The previous prime is 210599. The next prime is 210619. The reversal of 210601 is 106012.

210601 = 324² + 325².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105625 + 104976 = 325^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 210601 - 2¹ = 210599 is a prime.

Together with 210599, 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 (210631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105300 + 105301.

It is an arithmetic number, because the mean of its divisors is an integer number (105301).

2²¹⁰⁶⁰¹ is an apocalyptic number.

210601 is the 325-th centered square number.

It is an amenable number.

210601 is a deficient number, since it is larger than the sum of its proper divisors (1).

210601 is an equidigital number, since it uses as much as digits as its factorization.

210601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 210601 is about 458.9128457561. The cubic root of 210601 is about 59.4958686490.

Adding to 210601 its reverse (106012), we get a palindrome (316613).

The spelling of 210601 in words is "two hundred ten thousand, six hundred one".