57234217 has 2 divisors, whose sum is σ = 57234218. Its totient is φ = 57234216.

The previous prime is 57234211. The next prime is 57234253. The reversal of 57234217 is 71243275.

57234217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31539456 + 25694761 = 5616^2 + 5069^2 .

It is a cyclic number.

It is not a de Polignac number, because 57234217 - 2²³ = 48845609 is a prime.

It is not a weakly prime, because it can be changed into another prime (57234211) 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 as a sum of consecutive naturals, namely, 28617108 + 28617109.

It is an arithmetic number, because the mean of its divisors is an integer number (28617109).

Almost surely, 2^57234217 is an apocalyptic number.

It is an amenable number.

57234217 is a deficient number, since it is larger than the sum of its proper divisors (1).

57234217 is an equidigital number, since it uses as much as digits as its factorization.

57234217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 57234217 is about 7565.3299333208. The cubic root of 57234217 is about 385.3765181469.

The spelling of 57234217 in words is "fifty-seven million, two hundred thirty-four thousand, two hundred seventeen".