209054341 has 4 divisors (see below), whose sum is σ = 211573152. Its totient is φ = 206535532.

The previous prime is 209054333. The next prime is 209054387. The reversal of 209054341 is 143450902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 209054341 - 2³ = 209054333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209052341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259281 + ... + 1259446.

It is an arithmetic number, because the mean of its divisors is an integer number (52893288).

Almost surely, 2^209054341 is an apocalyptic number.

It is an amenable number.

209054341 is a deficient number, since it is larger than the sum of its proper divisors (2518811).

209054341 is an equidigital number, since it uses as much as digits as its factorization.

209054341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518810.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 209054341 is about 14458.7115954362. The cubic root of 209054341 is about 593.4986426214.

The spelling of 209054341 in words is "two hundred nine million, fifty-four thousand, three hundred forty-one".