361155049 has 2 divisors, whose sum is σ = 361155050. Its totient is φ = 361155048.

The previous prime is 361155031. The next prime is 361155103. The reversal of 361155049 is 940551163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280730025 + 80425024 = 16755^2 + 8968^2 .

It is a cyclic number.

It is not a de Polignac number, because 361155049 - 2⁹ = 361154537 is a prime.

It is not a weakly prime, because it can be changed into another prime (361155029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180577524 + 180577525.

It is an arithmetic number, because the mean of its divisors is an integer number (180577525).

Almost surely, 2^361155049 is an apocalyptic number.

It is an amenable number.

361155049 is a deficient number, since it is larger than the sum of its proper divisors (1).

361155049 is an equidigital number, since it uses as much as digits as its factorization.

361155049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 361155049 is about 19004.0797988221. The cubic root of 361155049 is about 712.1386608967.

The spelling of 361155049 in words is "three hundred sixty-one million, one hundred fifty-five thousand, forty-nine".