45516217 has 2 divisors, whose sum is σ = 45516218. Its totient is φ = 45516216.

The previous prime is 45516203. The next prime is 45516221. The reversal of 45516217 is 71261554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32764176 + 12752041 = 5724^2 + 3571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45516217 is a prime.

It is not a weakly prime, because it can be changed into another prime (45513217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758108 + 22758109.

It is an arithmetic number, because the mean of its divisors is an integer number (22758109).

Almost surely, 2^45516217 is an apocalyptic number.

It is an amenable number.

45516217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45516217 is an equidigital number, since it uses as much as digits as its factorization.

45516217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 45516217 is about 6746.5707585410. The cubic root of 45516217 is about 357.0442579700.

The spelling of 45516217 in words is "forty-five million, five hundred sixteen thousand, two hundred seventeen".