45517273 has 2 divisors, whose sum is σ = 45517274. Its totient is φ = 45517272.

The previous prime is 45517271. The next prime is 45517309. The reversal of 45517273 is 37271554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23736384 + 21780889 = 4872^2 + 4667^2 .

It is a cyclic number.

It is not a de Polignac number, because 45517273 - 2¹ = 45517271 is a prime.

Together with 45517271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45517271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758636 + 22758637.

It is an arithmetic number, because the mean of its divisors is an integer number (22758637).

Almost surely, 2^45517273 is an apocalyptic number.

It is an amenable number.

45517273 is a deficient number, since it is larger than the sum of its proper divisors (1).

45517273 is an equidigital number, since it uses as much as digits as its factorization.

45517273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 34.

The square root of 45517273 is about 6746.6490200691. The cubic root of 45517273 is about 357.0470191531.

The spelling of 45517273 in words is "forty-five million, five hundred seventeen thousand, two hundred seventy-three".