45117313 has 2 divisors, whose sum is σ = 45117314. Its totient is φ = 45117312.

The previous prime is 45117271. The next prime is 45117323. The reversal of 45117313 is 31371154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42876304 + 2241009 = 6548^2 + 1497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45117313 is a prime.

It is not a weakly prime, because it can be changed into another prime (45117323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22558656 + 22558657.

It is an arithmetic number, because the mean of its divisors is an integer number (22558657).

Almost surely, 2^45117313 is an apocalyptic number.

It is an amenable number.

45117313 is a deficient number, since it is larger than the sum of its proper divisors (1).

45117313 is an equidigital number, since it uses as much as digits as its factorization.

45117313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 45117313 is about 6716.9422358689. The cubic root of 45117313 is about 355.9981510025.

Adding to 45117313 its reverse (31371154), we get a palindrome (76488467).

The spelling of 45117313 in words is "forty-five million, one hundred seventeen thousand, three hundred thirteen".