45212213 has 2 divisors, whose sum is σ = 45212214. Its totient is φ = 45212212.

The previous prime is 45212201. The next prime is 45212263. The reversal of 45212213 is 31221254.

45212213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44849809 + 362404 = 6697^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 45212213 - 2¹⁸ = 44950069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45212263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606106 + 22606107.

It is an arithmetic number, because the mean of its divisors is an integer number (22606107).

Almost surely, 2^45212213 is an apocalyptic number.

It is an amenable number.

45212213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45212213 is an equidigital number, since it uses as much as digits as its factorization.

45212213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 20.

The square root of 45212213 is about 6724.0027513379. The cubic root of 45212213 is about 356.2475790130.

Adding to 45212213 its reverse (31221254), we get a palindrome (76433467).

The spelling of 45212213 in words is "forty-five million, two hundred twelve thousand, two hundred thirteen".