5240857 has 2 divisors, whose sum is σ = 5240858. Its totient is φ = 5240856.

The previous prime is 5240843. The next prime is 5240863. The reversal of 5240857 is 7580425.

5240857 is digitally balanced in base 3, 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., 5089536 + 151321 = 2256^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 5240857 - 2¹¹ = 5238809 is a prime.

5240857 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5240867) 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, 2620428 + 2620429.

It is an arithmetic number, because the mean of its divisors is an integer number (2620429).

Almost surely, 2^5240857 is an apocalyptic number.

It is an amenable number.

5240857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5240857 is an equidigital number, since it uses as much as digits as its factorization.

5240857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 5240857 is about 2289.2918118929. The cubic root of 5240857 is about 173.7003805656.

The spelling of 5240857 in words is "five million, two hundred forty thousand, eight hundred fifty-seven".