6257161 has 2 divisors, whose sum is σ = 6257162. Its totient is φ = 6257160.

The previous prime is 6257143. The next prime is 6257171. The reversal of 6257161 is 1617526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 2013561 = 2060^2 + 1419^2 .

It is a cyclic number.

It is not a de Polignac number, because 6257161 - 2⁵ = 6257129 is a prime.

It is not a weakly prime, because it can be changed into another prime (6257101) 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, 3128580 + 3128581.

It is an arithmetic number, because the mean of its divisors is an integer number (3128581).

Almost surely, 2^6257161 is an apocalyptic number.

It is an amenable number.

6257161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6257161 is an equidigital number, since it uses as much as digits as its factorization.

6257161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 6257161 is about 2501.4317899955. The cubic root of 6257161 is about 184.2718983464.

The spelling of 6257161 in words is "six million, two hundred fifty-seven thousand, one hundred sixty-one".