46564781 has 2 divisors, whose sum is σ = 46564782. Its totient is φ = 46564780.

The previous prime is 46564769. The next prime is 46564783. The reversal of 46564781 is 18746564.

46564781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35402500 + 11162281 = 5950^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 46564781 - 2¹⁰ = 46563757 is a prime.

It is a super-2 number, since 2×46564781² = 4336557659155922, which contains 22 as substring.

Together with 46564783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46564783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23282390 + 23282391.

It is an arithmetic number, because the mean of its divisors is an integer number (23282391).

Almost surely, 2^46564781 is an apocalyptic number.

It is an amenable number.

46564781 is a deficient number, since it is larger than the sum of its proper divisors (1).

46564781 is an equidigital number, since it uses as much as digits as its factorization.

46564781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 46564781 is about 6823.8391686792. The cubic root of 46564781 is about 359.7652301613.

The spelling of 46564781 in words is "forty-six million, five hundred sixty-four thousand, seven hundred eighty-one".