461182321 has 2 divisors, whose sum is σ = 461182322. Its totient is φ = 461182320.

The previous prime is 461182313. The next prime is 461182327. The reversal of 461182321 is 123281164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395572321 + 65610000 = 19889^2 + 8100^2 .

It is a cyclic number.

It is not a de Polignac number, because 461182321 - 2³ = 461182313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461182321.

It is not a weakly prime, because it can be changed into another prime (461182327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230591160 + 230591161.

It is an arithmetic number, because the mean of its divisors is an integer number (230591161).

Almost surely, 2^461182321 is an apocalyptic number.

It is an amenable number.

461182321 is a deficient number, since it is larger than the sum of its proper divisors (1).

461182321 is an equidigital number, since it uses as much as digits as its factorization.

461182321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 461182321 is about 21475.1559016460. The cubic root of 461182321 is about 772.6050637187.

The spelling of 461182321 in words is "four hundred sixty-one million, one hundred eighty-two thousand, three hundred twenty-one".