45016513 has 2 divisors, whose sum is σ = 45016514. Its totient is φ = 45016512.

The previous prime is 45016511. The next prime is 45016523. The reversal of 45016513 is 31561054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44395569 + 620944 = 6663^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 45016513 - 2¹ = 45016511 is a prime.

Together with 45016511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45016511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22508256 + 22508257.

It is an arithmetic number, because the mean of its divisors is an integer number (22508257).

Almost surely, 2^45016513 is an apocalyptic number.

It is an amenable number.

45016513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45016513 is an equidigital number, since it uses as much as digits as its factorization.

45016513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 45016513 is about 6709.4346259577. The cubic root of 45016513 is about 355.7328325203.

Adding to 45016513 its reverse (31561054), we get a palindrome (76577567).

The spelling of 45016513 in words is "forty-five million, sixteen thousand, five hundred thirteen".