45637913 has 2 divisors, whose sum is σ = 45637914. Its totient is φ = 45637912.

The previous prime is 45637903. The next prime is 45637937. The reversal of 45637913 is 31973654.

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., 35378704 + 10259209 = 5948^2 + 3203^2 .

It is a cyclic number.

It is not a de Polignac number, because 45637913 - 2⁶ = 45637849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45637903) 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, 22818956 + 22818957.

It is an arithmetic number, because the mean of its divisors is an integer number (22818957).

Almost surely, 2^45637913 is an apocalyptic number.

It is an amenable number.

45637913 is a deficient number, since it is larger than the sum of its proper divisors (1).

45637913 is an equidigital number, since it uses as much as digits as its factorization.

45637913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 45637913 is about 6755.5838385738. The cubic root of 45637913 is about 357.3621826840.

The spelling of 45637913 in words is "forty-five million, six hundred thirty-seven thousand, nine hundred thirteen".