57273193 has 2 divisors, whose sum is σ = 57273194. Its totient is φ = 57273192.

The previous prime is 57273157. The next prime is 57273233. The reversal of 57273193 is 39137275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 11751184 = 6747^2 + 3428^2 .

It is a cyclic number.

It is not a de Polignac number, because 57273193 - 2⁹ = 57272681 is a prime.

It is not a weakly prime, because it can be changed into another prime (57273113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28636596 + 28636597.

It is an arithmetic number, because the mean of its divisors is an integer number (28636597).

Almost surely, 2^57273193 is an apocalyptic number.

It is an amenable number.

57273193 is a deficient number, since it is larger than the sum of its proper divisors (1).

57273193 is an equidigital number, since it uses as much as digits as its factorization.

57273193 is an evil number, because the sum of its binary digits is even.

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

The square root of 57273193 is about 7567.9054565976. The cubic root of 57273193 is about 385.4639776403.

The spelling of 57273193 in words is "fifty-seven million, two hundred seventy-three thousand, one hundred ninety-three".