57203473 has 2 divisors, whose sum is σ = 57203474. Its totient is φ = 57203472.

The previous prime is 57203449. The next prime is 57203477. The reversal of 57203473 is 37430275.

57203473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41899729 + 15303744 = 6473^2 + 3912^2 .

It is a cyclic number.

It is not a de Polignac number, because 57203473 - 2⁵ = 57203441 is a prime.

It is not a weakly prime, because it can be changed into another prime (57203477) 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, 28601736 + 28601737.

It is an arithmetic number, because the mean of its divisors is an integer number (28601737).

Almost surely, 2^57203473 is an apocalyptic number.

It is an amenable number.

57203473 is a deficient number, since it is larger than the sum of its proper divisors (1).

57203473 is an equidigital number, since it uses as much as digits as its factorization.

57203473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 57203473 is about 7563.2977595755. The cubic root of 57203473 is about 385.3075026852.

The spelling of 57203473 in words is "fifty-seven million, two hundred three thousand, four hundred seventy-three".