46505509 has 2 divisors, whose sum is σ = 46505510. Its totient is φ = 46505508.

The previous prime is 46505507. The next prime is 46505561. The reversal of 46505509 is 90550564.

It is a happy number.

46505509 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., 45603009 + 902500 = 6753^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 46505509 - 2¹ = 46505507 is a prime.

Together with 46505507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46505507) 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, 23252754 + 23252755.

It is an arithmetic number, because the mean of its divisors is an integer number (23252755).

Almost surely, 2^46505509 is an apocalyptic number.

It is an amenable number.

46505509 is a deficient number, since it is larger than the sum of its proper divisors (1).

46505509 is an equidigital number, since it uses as much as digits as its factorization.

46505509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 46505509 is about 6819.4947760080. The cubic root of 46505509 is about 359.6125177579.

The spelling of 46505509 in words is "forty-six million, five hundred five thousand, five hundred nine".