45001217 has 2 divisors, whose sum is σ = 45001218. Its totient is φ = 45001216.

The previous prime is 45001211. The next prime is 45001219. The reversal of 45001217 is 71210054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33918976 + 11082241 = 5824^2 + 3329^2 .

It is a cyclic number.

It is not a de Polignac number, because 45001217 - 2⁸ = 45000961 is a prime.

Together with 45001219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500608 + 22500609.

It is an arithmetic number, because the mean of its divisors is an integer number (22500609).

Almost surely, 2^45001217 is an apocalyptic number.

It is an amenable number.

45001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45001217 is an equidigital number, since it uses as much as digits as its factorization.

45001217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 45001217 is about 6708.2946417104. The cubic root of 45001217 is about 355.6925368935.

The spelling of 45001217 in words is "forty-five million, one thousand, two hundred seventeen".