361121273 has 2 divisors, whose sum is σ = 361121274. Its totient is φ = 361121272.

The previous prime is 361121227. The next prime is 361121309. The reversal of 361121273 is 372121163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310041664 + 51079609 = 17608^2 + 7147^2 .

It is a cyclic number.

It is not a de Polignac number, because 361121273 - 2⁶ = 361121209 is a prime.

It is not a weakly prime, because it can be changed into another prime (361121473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180560636 + 180560637.

It is an arithmetic number, because the mean of its divisors is an integer number (180560637).

Almost surely, 2^361121273 is an apocalyptic number.

It is an amenable number.

361121273 is a deficient number, since it is larger than the sum of its proper divisors (1).

361121273 is an equidigital number, since it uses as much as digits as its factorization.

361121273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 361121273 is about 19003.1911267555. The cubic root of 361121273 is about 712.1164599561.

The spelling of 361121273 in words is "three hundred sixty-one million, one hundred twenty-one thousand, two hundred seventy-three".