361654361 has 2 divisors, whose sum is σ = 361654362. Its totient is φ = 361654360.

The previous prime is 361654343. The next prime is 361654387. The reversal of 361654361 is 163456163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286658761 + 74995600 = 16931^2 + 8660^2 .

It is a cyclic number.

It is not a de Polignac number, because 361654361 - 2⁶ = 361654297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (361654301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180827180 + 180827181.

It is an arithmetic number, because the mean of its divisors is an integer number (180827181).

Almost surely, 2^361654361 is an apocalyptic number.

It is an amenable number.

361654361 is a deficient number, since it is larger than the sum of its proper divisors (1).

361654361 is an equidigital number, since it uses as much as digits as its factorization.

361654361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 361654361 is about 19017.2122299773. The cubic root of 361654361 is about 712.4666969558.

The spelling of 361654361 in words is "three hundred sixty-one million, six hundred fifty-four thousand, three hundred sixty-one".