4149161 has 2 divisors, whose sum is σ = 4149162. Its totient is φ = 4149160.

The previous prime is 4149151. The next prime is 4149179. The reversal of 4149161 is 1619414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3258025 + 891136 = 1805^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4149161 - 2¹⁸ = 3887017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4149161.

It is not a weakly prime, because it can be changed into another prime (4149121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2074580 + 2074581.

It is an arithmetic number, because the mean of its divisors is an integer number (2074581).

Almost surely, 2^4149161 is an apocalyptic number.

It is an amenable number.

4149161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4149161 is an equidigital number, since it uses as much as digits as its factorization.

4149161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 4149161 is about 2036.9489438864. The cubic root of 4149161 is about 160.6892272936.

The spelling of 4149161 in words is "four million, one hundred forty-nine thousand, one hundred sixty-one".