211061429 has 4 divisors (see below), whose sum is σ = 211391340. Its totient is φ = 210731520.

The previous prime is 211061413. The next prime is 211061479. The reversal of 211061429 is 924160112.

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 136843204 + 74218225 = 11698^2 + 8615^2 .

It is a cyclic number.

It is not a de Polignac number, because 211061429 - 2⁴ = 211061413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211061398 and 211061407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211061479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163994 + ... + 165275.

It is an arithmetic number, because the mean of its divisors is an integer number (52847835).

Almost surely, 2^211061429 is an apocalyptic number.

It is an amenable number.

211061429 is a deficient number, since it is larger than the sum of its proper divisors (329911).

211061429 is an equidigital number, since it uses as much as digits as its factorization.

211061429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329910.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 211061429 is about 14527.9533658393. The cubic root of 211061429 is about 595.3919494577.

The spelling of 211061429 in words is "two hundred eleven million, sixty-one thousand, four hundred twenty-nine".