361430281 has 2 divisors, whose sum is σ = 361430282. Its totient is φ = 361430280.

The previous prime is 361430269. The next prime is 361430297. The reversal of 361430281 is 182034163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325622025 + 35808256 = 18045^2 + 5984^2 .

It is an emirp because it is prime and its reverse (182034163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361430281 - 2²³ = 353041673 is a prime.

It is a super-2 number, since 2×361430281² = 261263696047477922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361430221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180715140 + 180715141.

It is an arithmetic number, because the mean of its divisors is an integer number (180715141).

Almost surely, 2^361430281 is an apocalyptic number.

It is an amenable number.

361430281 is a deficient number, since it is larger than the sum of its proper divisors (1).

361430281 is an equidigital number, since it uses as much as digits as its factorization.

361430281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 361430281 is about 19011.3198121540. The cubic root of 361430281 is about 712.3195191171.

The spelling of 361430281 in words is "three hundred sixty-one million, four hundred thirty thousand, two hundred eighty-one".