45847213 has 2 divisors, whose sum is σ = 45847214. Its totient is φ = 45847212.

The previous prime is 45847201. The next prime is 45847259. The reversal of 45847213 is 31274854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40998409 + 4848804 = 6403^2 + 2202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45847213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45847273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22923606 + 22923607.

It is an arithmetic number, because the mean of its divisors is an integer number (22923607).

Almost surely, 2^45847213 is an apocalyptic number.

It is an amenable number.

45847213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45847213 is an equidigital number, since it uses as much as digits as its factorization.

45847213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 45847213 is about 6771.0570075875. The cubic root of 45847213 is about 357.9076491604.

The spelling of 45847213 in words is "forty-five million, eight hundred forty-seven thousand, two hundred thirteen".