446500013 has 2 divisors, whose sum is σ = 446500014. Its totient is φ = 446500012.

The previous prime is 446500009. The next prime is 446500027. The reversal of 446500013 is 310005644.

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., 423248329 + 23251684 = 20573^2 + 4822^2 .

It is a cyclic number.

It is not a de Polignac number, because 446500013 - 2² = 446500009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446500073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223250006 + 223250007.

It is an arithmetic number, because the mean of its divisors is an integer number (223250007).

Almost surely, 2^446500013 is an apocalyptic number.

It is an amenable number.

446500013 is a deficient number, since it is larger than the sum of its proper divisors (1).

446500013 is an equidigital number, since it uses as much as digits as its factorization.

446500013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 446500013 is about 21130.5469167270. The cubic root of 446500013 is about 764.3175385041.

Adding to 446500013 its reverse (310005644), we get a palindrome (756505657).

The spelling of 446500013 in words is "four hundred forty-six million, five hundred thousand, thirteen".