211474729 has 2 divisors, whose sum is σ = 211474730. Its totient is φ = 211474728.

The previous prime is 211474687. The next prime is 211474751. The reversal of 211474729 is 927474112.

211474729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184226329 + 27248400 = 13573^2 + 5220^2 .

It is a cyclic number.

It is not a de Polignac number, because 211474729 - 2¹³ = 211466537 is a prime.

It is a super-2 number, since 2×211474729² = 89443122011246882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211474229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105737364 + 105737365.

It is an arithmetic number, because the mean of its divisors is an integer number (105737365).

Almost surely, 2^211474729 is an apocalyptic number.

It is an amenable number.

211474729 is a deficient number, since it is larger than the sum of its proper divisors (1).

211474729 is an equidigital number, since it uses as much as digits as its factorization.

211474729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 211474729 is about 14542.1707114172. The cubic root of 211474729 is about 595.7803277715.

The spelling of 211474729 in words is "two hundred eleven million, four hundred seventy-four thousand, seven hundred twenty-nine".