6398057 has 2 divisors, whose sum is σ = 6398058. Its totient is φ = 6398056.

The previous prime is 6398017. The next prime is 6398081. The reversal of 6398057 is 7508936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5837056 + 561001 = 2416^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 6398057 - 2¹⁰ = 6397033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6398057.

It is not a weakly prime, because it can be changed into another prime (6398017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199028 + 3199029.

It is an arithmetic number, because the mean of its divisors is an integer number (3199029).

Almost surely, 2^6398057 is an apocalyptic number.

It is an amenable number.

6398057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6398057 is an equidigital number, since it uses as much as digits as its factorization.

6398057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 6398057 is about 2529.4380798905. The cubic root of 6398057 is about 185.6447626780.

The spelling of 6398057 in words is "six million, three hundred ninety-eight thousand, fifty-seven".