211074049 has 4 divisors (see below), whose sum is σ = 211138564. Its totient is φ = 211009536.

The previous prime is 211074043. The next prime is 211074067. The reversal of 211074049 is 940470112.

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 84916225 + 126157824 = 9215^2 + 11232^2 .

It is a cyclic number.

It is not a de Polignac number, because 211074049 - 2²⁷ = 76856321 is a prime.

It is a super-2 number, since 2×211074049² = 89104508322508802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211074043) 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, 27072 + ... + 33985.

It is an arithmetic number, because the mean of its divisors is an integer number (52784641).

Almost surely, 2^211074049 is an apocalyptic number.

It is an amenable number.

211074049 is a deficient number, since it is larger than the sum of its proper divisors (64515).

211074049 is an equidigital number, since it uses as much as digits as its factorization.

211074049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64514.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 211074049 is about 14528.3876944415. The cubic root of 211074049 is about 595.4038159819.

The spelling of 211074049 in words is "two hundred eleven million, seventy-four thousand, forty-nine".