46565221 has 2 divisors, whose sum is σ = 46565222. Its totient is φ = 46565220.

The previous prime is 46565209. The next prime is 46565263. The reversal of 46565221 is 12256564.

46565221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 1822500 = 6689^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 46565221 - 2⁷ = 46565093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46565521) 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, 23282610 + 23282611.

It is an arithmetic number, because the mean of its divisors is an integer number (23282611).

Almost surely, 2^46565221 is an apocalyptic number.

It is an amenable number.

46565221 is a deficient number, since it is larger than the sum of its proper divisors (1).

46565221 is an equidigital number, since it uses as much as digits as its factorization.

46565221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 46565221 is about 6823.8714085188. The cubic root of 46565221 is about 359.7663633224.

The spelling of 46565221 in words is "forty-six million, five hundred sixty-five thousand, two hundred twenty-one".