57323197 has 2 divisors, whose sum is σ = 57323198. Its totient is φ = 57323196.

The previous prime is 57323191. The next prime is 57323237. The reversal of 57323197 is 79132375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35176761 + 22146436 = 5931^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 57323197 - 2⁷ = 57323069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57323191) 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, 28661598 + 28661599.

It is an arithmetic number, because the mean of its divisors is an integer number (28661599).

Almost surely, 2^57323197 is an apocalyptic number.

It is an amenable number.

57323197 is a deficient number, since it is larger than the sum of its proper divisors (1).

57323197 is an equidigital number, since it uses as much as digits as its factorization.

57323197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 37.

The square root of 57323197 is about 7571.2084240232. The cubic root of 57323197 is about 385.5761251273.

The spelling of 57323197 in words is "fifty-seven million, three hundred twenty-three thousand, one hundred ninety-seven".