210801361 has 3 divisors (see below), whose sum is σ = 210815881. Its totient is φ = 210786842.

The previous prime is 210801347. The next prime is 210801379. The reversal of 210801361 is 163108012.

The square root of 210801361 is 14519.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 210801361 - 2⁵ = 210801329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210801301) 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 in 2 ways as a sum of consecutive naturals, for example, 7260 + ... + 21778.

Almost surely, 2^210801361 is an apocalyptic number.

210801361 is the 14519-th square number.

210801361 is the 7260-th centered octagonal number.

It is an amenable number.

210801361 is a deficient number, since it is larger than the sum of its proper divisors (14520).

210801361 is an frugal number, since it uses more digits than its factorization.

210801361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29038 (or 14519 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The cubic root of 210801361 is about 595.1473034064.

Adding to 210801361 its reverse (163108012), we get a palindrome (373909373).

The spelling of 210801361 in words is "two hundred ten million, eight hundred one thousand, three hundred sixty-one".