210006801 has 6 divisors (see below), whose sum is σ = 303343170. Its totient is φ = 140004528.

The previous prime is 210006787. The next prime is 210006817. The reversal of 210006801 is 108600012.

It can be written as a sum of positive squares in only one way, i.e., 122677776 + 87329025 = 11076^2 + 9345^2 .

It is not a de Polignac number, because 210006801 - 2¹³ = 209998609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210006821) 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 5 ways as a sum of consecutive naturals, for example, 11667036 + ... + 11667053.

It is an arithmetic number, because the mean of its divisors is an integer number (50557195).

Almost surely, 2^210006801 is an apocalyptic number.

It is an amenable number.

210006801 is a deficient number, since it is larger than the sum of its proper divisors (93336369).

210006801 is a wasteful number, since it uses less digits than its factorization.

210006801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334095 (or 23334092 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 210006801 is about 14491.6114010830. The cubic root of 210006801 is about 594.3986118123.

Adding to 210006801 its reverse (108600012), we get a palindrome (318606813).

The spelling of 210006801 in words is "two hundred ten million, six thousand, eight hundred one".