45508313 has 2 divisors, whose sum is σ = 45508314. Its totient is φ = 45508312.

The previous prime is 45508297. The next prime is 45508339. The reversal of 45508313 is 31380554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38093584 + 7414729 = 6172^2 + 2723^2 .

It is a cyclic number.

It is not a de Polignac number, because 45508313 - 2⁴ = 45508297 is a prime.

It is not a weakly prime, because it can be changed into another prime (45508213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22754156 + 22754157.

It is an arithmetic number, because the mean of its divisors is an integer number (22754157).

Almost surely, 2^45508313 is an apocalyptic number.

It is an amenable number.

45508313 is a deficient number, since it is larger than the sum of its proper divisors (1).

45508313 is an equidigital number, since it uses as much as digits as its factorization.

45508313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45508313 is about 6745.9849540301. The cubic root of 45508313 is about 357.0235895770.

Adding to 45508313 its reverse (31380554), we get a palindrome (76888867).

The spelling of 45508313 in words is "forty-five million, five hundred eight thousand, three hundred thirteen".