4161257 has 2 divisors, whose sum is σ = 4161258. Its totient is φ = 4161256.

The previous prime is 4161251. The next prime is 4161263. The reversal of 4161257 is 7521614.

It is a balanced prime because it is at equal distance from previous prime (4161251) and next prime (4161263).

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 177241 = 1996^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 4161257 - 2⁶ = 4161193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4161251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080628 + 2080629.

It is an arithmetic number, because the mean of its divisors is an integer number (2080629).

Almost surely, 2^4161257 is an apocalyptic number.

It is an amenable number.

4161257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161257 is an equidigital number, since it uses as much as digits as its factorization.

4161257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 4161257 is about 2039.9159296402. The cubic root of 4161257 is about 160.8452275978.

The spelling of 4161257 in words is "four million, one hundred sixty-one thousand, two hundred fifty-seven".