45901217 has 2 divisors, whose sum is σ = 45901218. Its totient is φ = 45901216.

The previous prime is 45901213. The next prime is 45901223. The reversal of 45901217 is 71210954.

45901217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 190096 = 6761^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 45901217 - 2² = 45901213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45901217.

It is not a weakly prime, because it can be changed into another prime (45901213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22950608 + 22950609.

It is an arithmetic number, because the mean of its divisors is an integer number (22950609).

Almost surely, 2^45901217 is an apocalyptic number.

It is an amenable number.

45901217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45901217 is an equidigital number, since it uses as much as digits as its factorization.

45901217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 45901217 is about 6775.0436898960. The cubic root of 45901217 is about 358.0481219708.

The spelling of 45901217 in words is "forty-five million, nine hundred one thousand, two hundred seventeen".