361879361 has 2 divisors, whose sum is σ = 361879362. Its totient is φ = 361879360.

The previous prime is 361879327. The next prime is 361879369. The reversal of 361879361 is 163978163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361570225 + 309136 = 19015^2 + 556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361879361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (361879369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180939680 + 180939681.

It is an arithmetic number, because the mean of its divisors is an integer number (180939681).

Almost surely, 2^361879361 is an apocalyptic number.

It is an amenable number.

361879361 is a deficient number, since it is larger than the sum of its proper divisors (1).

361879361 is an equidigital number, since it uses as much as digits as its factorization.

361879361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 361879361 is about 19023.1270037289. The cubic root of 361879361 is about 712.6144179029.

The spelling of 361879361 in words is "three hundred sixty-one million, eight hundred seventy-nine thousand, three hundred sixty-one".