210472001 has 4 divisors (see below), whose sum is σ = 210785412. Its totient is φ = 210158592.

The previous prime is 210471997. The next prime is 210472013. The reversal of 210472001 is 100274012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160402225 + 50069776 = 12665^2 + 7076^2 .

It is a cyclic number.

It is not a de Polignac number, because 210472001 - 2² = 210471997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210472061) 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 3 ways as a sum of consecutive naturals, for example, 155696 + ... + 157041.

It is an arithmetic number, because the mean of its divisors is an integer number (52696353).

Almost surely, 2^210472001 is an apocalyptic number.

It is an amenable number.

210472001 is a deficient number, since it is larger than the sum of its proper divisors (313411).

210472001 is an equidigital number, since it uses as much as digits as its factorization.

210472001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313410.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 210472001 is about 14507.6531871974. The cubic root of 210472001 is about 594.8371854026.

The spelling of 210472001 in words is "two hundred ten million, four hundred seventy-two thousand, one".