361046261 has 2 divisors, whose sum is σ = 361046262. Its totient is φ = 361046260.

The previous prime is 361046237. The next prime is 361046267. The reversal of 361046261 is 162640163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276590161 + 84456100 = 16631^2 + 9190^2 .

It is a cyclic number.

It is not a de Polignac number, because 361046261 - 2¹⁸ = 360784117 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 (361046267) 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, 180523130 + 180523131.

It is an arithmetic number, because the mean of its divisors is an integer number (180523131).

Almost surely, 2^361046261 is an apocalyptic number.

It is an amenable number.

361046261 is a deficient number, since it is larger than the sum of its proper divisors (1).

361046261 is an equidigital number, since it uses as much as digits as its factorization.

361046261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 361046261 is about 19001.2173557380. The cubic root of 361046261 is about 712.0671496709.

The spelling of 361046261 in words is "three hundred sixty-one million, forty-six thousand, two hundred sixty-one".