45322513 has 2 divisors, whose sum is σ = 45322514. Its totient is φ = 45322512.

The previous prime is 45322471. The next prime is 45322531. The reversal of 45322513 is 31522354.

Together with next prime (45322531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 6235009 = 6252^2 + 2497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45322513 is a prime.

It is not a weakly prime, because it can be changed into another prime (45322583) 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, 22661256 + 22661257.

It is an arithmetic number, because the mean of its divisors is an integer number (22661257).

Almost surely, 2^45322513 is an apocalyptic number.

It is an amenable number.

45322513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45322513 is an equidigital number, since it uses as much as digits as its factorization.

45322513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 45322513 is about 6732.1997148035. The cubic root of 45322513 is about 356.5370450263.

Adding to 45322513 its reverse (31522354), we get a palindrome (76844867).

The spelling of 45322513 in words is "forty-five million, three hundred twenty-two thousand, five hundred thirteen".