46304021 has 2 divisors, whose sum is σ = 46304022. Its totient is φ = 46304020.

The previous prime is 46303997. The next prime is 46304051. The reversal of 46304021 is 12040364.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 592900 = 6761^2 + 770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46304021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46303984 and 46304002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46304051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23152010 + 23152011.

It is an arithmetic number, because the mean of its divisors is an integer number (23152011).

Almost surely, 2^46304021 is an apocalyptic number.

It is an amenable number.

46304021 is a deficient number, since it is larger than the sum of its proper divisors (1).

46304021 is an equidigital number, since it uses as much as digits as its factorization.

46304021 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 20.

The square root of 46304021 is about 6804.7057981958. The cubic root of 46304021 is about 359.0924180716.

Adding to 46304021 its reverse (12040364), we get a palindrome (58344385).

The spelling of 46304021 in words is "forty-six million, three hundred four thousand, twenty-one".