46564681 has 2 divisors, whose sum is σ = 46564682. Its totient is φ = 46564680.

The previous prime is 46564669. The next prime is 46564703. The reversal of 46564681 is 18646564.

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., 45441081 + 1123600 = 6741^2 + 1060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46564681 is a prime.

It is a super-2 number, since 2×46564681² = 4336539033263522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46564621) 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, 23282340 + 23282341.

It is an arithmetic number, because the mean of its divisors is an integer number (23282341).

Almost surely, 2^46564681 is an apocalyptic number.

It is an amenable number.

46564681 is a deficient number, since it is larger than the sum of its proper divisors (1).

46564681 is an equidigital number, since it uses as much as digits as its factorization.

46564681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 46564681 is about 6823.8318414217. The cubic root of 46564681 is about 359.7649726237.

The spelling of 46564681 in words is "forty-six million, five hundred sixty-four thousand, six hundred eighty-one".