361151081 has 2 divisors, whose sum is σ = 361151082. Its totient is φ = 361151080.

The previous prime is 361151071. The next prime is 361151093. The reversal of 361151081 is 180151163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360810025 + 341056 = 18995^2 + 584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361151081 is a prime.

It is a super-2 number, since 2×361151081² = 260860206614937122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361151081.

It is not a weakly prime, because it can be changed into another prime (361151041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180575540 + 180575541.

It is an arithmetic number, because the mean of its divisors is an integer number (180575541).

Almost surely, 2^361151081 is an apocalyptic number.

It is an amenable number.

361151081 is a deficient number, since it is larger than the sum of its proper divisors (1).

361151081 is an equidigital number, since it uses as much as digits as its factorization.

361151081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 361151081 is about 19003.9753998999. The cubic root of 361151081 is about 712.1360528049.

The spelling of 361151081 in words is "three hundred sixty-one million, one hundred fifty-one thousand, eighty-one".