45670217 has 2 divisors, whose sum is σ = 45670218. Its totient is φ = 45670216.

The previous prime is 45670181. The next prime is 45670267. The reversal of 45670217 is 71207654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33131536 + 12538681 = 5756^2 + 3541^2 .

It is a cyclic number.

It is not a de Polignac number, because 45670217 - 2²⁴ = 28893001 is a prime.

It is not a weakly prime, because it can be changed into another prime (45670267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22835108 + 22835109.

It is an arithmetic number, because the mean of its divisors is an integer number (22835109).

Almost surely, 2^45670217 is an apocalyptic number.

It is an amenable number.

45670217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45670217 is an equidigital number, since it uses as much as digits as its factorization.

45670217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 45670217 is about 6757.9743266751. The cubic root of 45670217 is about 357.4464803251.

The spelling of 45670217 in words is "forty-five million, six hundred seventy thousand, two hundred seventeen".