45507613 has 2 divisors, whose sum is σ = 45507614. Its totient is φ = 45507612.

The previous prime is 45507611. The next prime is 45507617. The reversal of 45507613 is 31670554.

45507613 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., 32741284 + 12766329 = 5722^2 + 3573^2 .

It is a cyclic number.

It is not a de Polignac number, because 45507613 - 2¹ = 45507611 is a prime.

Together with 45507611, 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 (45507611) 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, 22753806 + 22753807.

It is an arithmetic number, because the mean of its divisors is an integer number (22753807).

Almost surely, 2^45507613 is an apocalyptic number.

It is an amenable number.

45507613 is a deficient number, since it is larger than the sum of its proper divisors (1).

45507613 is an equidigital number, since it uses as much as digits as its factorization.

45507613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 45507613 is about 6745.9330711177. The cubic root of 45507613 is about 357.0217590119.

The spelling of 45507613 in words is "forty-five million, five hundred seven thousand, six hundred thirteen".