6245557 has 2 divisors, whose sum is σ = 6245558. Its totient is φ = 6245556.

The previous prime is 6245549. The next prime is 6245567. The reversal of 6245557 is 7555426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3290596 + 2954961 = 1814^2 + 1719^2 .

It is a cyclic number.

It is not a de Polignac number, because 6245557 - 2³ = 6245549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6245507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122778 + 3122779.

It is an arithmetic number, because the mean of its divisors is an integer number (3122779).

Almost surely, 2^6245557 is an apocalyptic number.

It is an amenable number.

6245557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6245557 is an equidigital number, since it uses as much as digits as its factorization.

6245557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 34.

The square root of 6245557 is about 2499.1112420219. Note that the first 3 decimals coincide. The cubic root of 6245557 is about 184.1579161798.

The spelling of 6245557 in words is "six million, two hundred forty-five thousand, five hundred fifty-seven".