6441157 has 2 divisors, whose sum is σ = 6441158. Its totient is φ = 6441156.

The previous prime is 6441131. The next prime is 6441163. The reversal of 6441157 is 7511446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5997601 + 443556 = 2449^2 + 666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6441157 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 (6441257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220578 + 3220579.

It is an arithmetic number, because the mean of its divisors is an integer number (3220579).

Almost surely, 2^6441157 is an apocalyptic number.

It is an amenable number.

6441157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6441157 is an equidigital number, since it uses as much as digits as its factorization.

6441157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 6441157 is about 2537.9434587871. The cubic root of 6441157 is about 186.0606904890.

The spelling of 6441157 in words is "six million, four hundred forty-one thousand, one hundred fifty-seven".