210481 has 2 divisors, whose sum is σ = 210482. Its totient is φ = 210480.

The previous prime is 210467. The next prime is 210487. The reversal of 210481 is 184012.

It is a happy number.

210481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152881 + 57600 = 391^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 210481 - 2¹¹ = 208433 is a prime.

It is a super-2 number, since 2×210481² = 88604502722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105240 + 105241.

It is an arithmetic number, because the mean of its divisors is an integer number (105241).

2²¹⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

210481 is a deficient number, since it is larger than the sum of its proper divisors (1).

210481 is an equidigital number, since it uses as much as digits as its factorization.

210481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 210481 is about 458.7820833468. The cubic root of 210481 is about 59.4845662957.

Adding to 210481 its reverse (184012), we get a palindrome (394493).

The spelling of 210481 in words is "two hundred ten thousand, four hundred eighty-one".