57263243 has 2 divisors, whose sum is σ = 57263244. Its totient is φ = 57263242.

The previous prime is 57263237. The next prime is 57263257. The reversal of 57263243 is 34236275.

57263243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57263243 - 2⁶ = 57263179 is a prime.

It is not a weakly prime, because it can be changed into another prime (57263203) 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, 28631621 + 28631622.

It is an arithmetic number, because the mean of its divisors is an integer number (28631622).

Almost surely, 2^57263243 is an apocalyptic number.

57263243 is a deficient number, since it is larger than the sum of its proper divisors (1).

57263243 is an equidigital number, since it uses as much as digits as its factorization.

57263243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 57263243 is about 7567.2480466812. The cubic root of 57263243 is about 385.4416542897.

The spelling of 57263243 in words is "fifty-seven million, two hundred sixty-three thousand, two hundred forty-three".