4130261 has 2 divisors, whose sum is σ = 4130262. Its totient is φ = 4130260.

The previous prime is 4130251. The next prime is 4130281. The reversal of 4130261 is 1620314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 1223236 = 1705^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 4130261 - 2¹⁴ = 4113877 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4130221) 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, 2065130 + 2065131.

It is an arithmetic number, because the mean of its divisors is an integer number (2065131).

Almost surely, 2^4130261 is an apocalyptic number.

It is an amenable number.

4130261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4130261 is an equidigital number, since it uses as much as digits as its factorization.

4130261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4130261 is about 2032.3043571276. The cubic root of 4130261 is about 160.4448686984. Note that the first 3 decimals are identical.

Adding to 4130261 its reverse (1620314), we get a palindrome (5750575).

The spelling of 4130261 in words is "four million, one hundred thirty thousand, two hundred sixty-one".