45780013 has 2 divisors, whose sum is σ = 45780014. Its totient is φ = 45780012.

The previous prime is 45780001. The next prime is 45780041. The reversal of 45780013 is 31008754.

45780013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (45780041) can be obtained adding 45780013 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37124649 + 8655364 = 6093^2 + 2942^2 .

It is a cyclic number.

It is not a de Polignac number, because 45780013 - 2⁹ = 45779501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45780043) 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, 22890006 + 22890007.

It is an arithmetic number, because the mean of its divisors is an integer number (22890007).

Almost surely, 2^45780013 is an apocalyptic number.

It is an amenable number.

45780013 is a deficient number, since it is larger than the sum of its proper divisors (1).

45780013 is an equidigital number, since it uses as much as digits as its factorization.

45780013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 45780013 is about 6766.0928902876. The cubic root of 45780013 is about 357.7326973801.

Adding to 45780013 its reverse (31008754), we get a palindrome (76788767).

The spelling of 45780013 in words is "forty-five million, seven hundred eighty thousand, thirteen".