45538217 has 2 divisors, whose sum is σ = 45538218. Its totient is φ = 45538216.

The previous prime is 45538211. The next prime is 45538267. The reversal of 45538217 is 71283554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 326041 = 6724^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 45538217 - 2⁴ = 45538201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45538211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22769108 + 22769109.

It is an arithmetic number, because the mean of its divisors is an integer number (22769109).

Almost surely, 2^45538217 is an apocalyptic number.

It is an amenable number.

45538217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45538217 is an equidigital number, since it uses as much as digits as its factorization.

45538217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 45538217 is about 6748.2010195311. The cubic root of 45538217 is about 357.1017737961.

The spelling of 45538217 in words is "forty-five million, five hundred thirty-eight thousand, two hundred seventeen".