57834209 has 2 divisors, whose sum is σ = 57834210. Its totient is φ = 57834208.

The previous prime is 57834197. The next prime is 57834211. The reversal of 57834209 is 90243875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 10705984 = 6865^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 57834209 - 2⁸ = 57833953 is a prime.

Together with 57834211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57834229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28917104 + 28917105.

It is an arithmetic number, because the mean of its divisors is an integer number (28917105).

Almost surely, 2^57834209 is an apocalyptic number.

It is an amenable number.

57834209 is a deficient number, since it is larger than the sum of its proper divisors (1).

57834209 is an equidigital number, since it uses as much as digits as its factorization.

57834209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 57834209 is about 7604.8806039280. The cubic root of 57834209 is about 386.7184864986.

The spelling of 57834209 in words is "fifty-seven million, eight hundred thirty-four thousand, two hundred nine".