57242303 has 2 divisors, whose sum is σ = 57242304. Its totient is φ = 57242302.

The previous prime is 57242249. The next prime is 57242309. The reversal of 57242303 is 30324275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57242303 - 2¹⁰ = 57241279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57242309) 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, 28621151 + 28621152.

It is an arithmetic number, because the mean of its divisors is an integer number (28621152).

Almost surely, 2^57242303 is an apocalyptic number.

57242303 is a deficient number, since it is larger than the sum of its proper divisors (1).

57242303 is an equidigital number, since it uses as much as digits as its factorization.

57242303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 57242303 is about 7565.8643260370. The cubic root of 57242303 is about 385.3946658445.

Adding to 57242303 its reverse (30324275), we get a palindrome (87566578).

It can be divided in two parts, 572 and 42303, that added together give a cube (42875 = 35³).

The spelling of 57242303 in words is "fifty-seven million, two hundred forty-two thousand, three hundred three".