210536401 has 8 divisors (see below), whose sum is σ = 216418664. Its totient is φ = 204664320.

The previous prime is 210536387. The next prime is 210536413. The reversal of 210536401 is 104635012.

It can be written as a sum of positive squares in 4 ways, for example, as 85544001 + 124992400 = 9249^2 + 11180^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210536401 - 2¹¹ = 210534353 is a prime.

It is a super-2 number, since 2×210536401² = 88651152292065602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210536441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60961 + ... + 64321.

It is an arithmetic number, because the mean of its divisors is an integer number (27052333).

Almost surely, 2^210536401 is an apocalyptic number.

It is an amenable number.

210536401 is a deficient number, since it is larger than the sum of its proper divisors (5882263).

210536401 is a wasteful number, since it uses less digits than its factorization.

210536401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 210536401 is about 14509.8725356221. The cubic root of 210536401 is about 594.8978484332.

The spelling of 210536401 in words is "two hundred ten million, five hundred thirty-six thousand, four hundred one".