461602021 has 2 divisors, whose sum is σ = 461602022. Its totient is φ = 461602020.

The previous prime is 461602007. The next prime is 461602051. The reversal of 461602021 is 120206164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 212751396 = 15775^2 + 14586^2 .

It is a cyclic number.

It is not a de Polignac number, because 461602021 - 2⁵ = 461601989 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 461601983 and 461602001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461602051) 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, 230801010 + 230801011.

It is an arithmetic number, because the mean of its divisors is an integer number (230801011).

Almost surely, 2^461602021 is an apocalyptic number.

It is an amenable number.

461602021 is a deficient number, since it is larger than the sum of its proper divisors (1).

461602021 is an equidigital number, since it uses as much as digits as its factorization.

461602021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 461602021 is about 21484.9254362216. The cubic root of 461602021 is about 772.8393629788.

Adding to 461602021 its reverse (120206164), we get a palindrome (581808185).

The spelling of 461602021 in words is "four hundred sixty-one million, six hundred two thousand, twenty-one".