57910213 has 2 divisors, whose sum is σ = 57910214. Its totient is φ = 57910212.

The previous prime is 57910199. The next prime is 57910231. The reversal of 57910213 is 31201975.

Together with next prime (57910231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56055169 + 1855044 = 7487^2 + 1362^2 .

It is a cyclic number.

It is not a de Polignac number, because 57910213 - 2¹³ = 57902021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57910813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28955106 + 28955107.

It is an arithmetic number, because the mean of its divisors is an integer number (28955107).

Almost surely, 2^57910213 is an apocalyptic number.

It is an amenable number.

57910213 is a deficient number, since it is larger than the sum of its proper divisors (1).

57910213 is an equidigital number, since it uses as much as digits as its factorization.

57910213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 57910213 is about 7609.8760173869. The cubic root of 57910213 is about 386.8878169942.

The spelling of 57910213 in words is "fifty-seven million, nine hundred ten thousand, two hundred thirteen".