57147017 has 2 divisors, whose sum is σ = 57147018. Its totient is φ = 57147016.

The previous prime is 57147001. The next prime is 57147031. The reversal of 57147017 is 71074175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 3798601 = 7304^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 57147017 - 2⁴ = 57147001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57147037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28573508 + 28573509.

It is an arithmetic number, because the mean of its divisors is an integer number (28573509).

Almost surely, 2^57147017 is an apocalyptic number.

It is an amenable number.

57147017 is a deficient number, since it is larger than the sum of its proper divisors (1).

57147017 is an equidigital number, since it uses as much as digits as its factorization.

57147017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 57147017 is about 7559.5646038644. The cubic root of 57147017 is about 385.1807033880.

The spelling of 57147017 in words is "fifty-seven million, one hundred forty-seven thousand, seventeen".