211484401 has 2 divisors, whose sum is σ = 211484402. Its totient is φ = 211484400.

The previous prime is 211484389. The next prime is 211484417. The reversal of 211484401 is 104484112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168974001 + 42510400 = 12999^2 + 6520^2 .

It is a cyclic number.

It is not a de Polignac number, because 211484401 - 2¹¹ = 211482353 is a prime.

It is a super-3 number, since 3×211484401³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (211884401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105742200 + 105742201.

It is an arithmetic number, because the mean of its divisors is an integer number (105742201).

Almost surely, 2^211484401 is an apocalyptic number.

It is an amenable number.

211484401 is a deficient number, since it is larger than the sum of its proper divisors (1).

211484401 is an equidigital number, since it uses as much as digits as its factorization.

211484401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 211484401 is about 14542.5032576926. The cubic root of 211484401 is about 595.7894104950.

The spelling of 211484401 in words is "two hundred eleven million, four hundred eighty-four thousand, four hundred one".