61234213 has 2 divisors, whose sum is σ = 61234214. Its totient is φ = 61234212.

The previous prime is 61234189. The next prime is 61234237. The reversal of 61234213 is 31243216.

61234213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (61234189) and next prime (61234237).

It can be written as a sum of positive squares in only one way, i.e., 39350529 + 21883684 = 6273^2 + 4678^2 .

It is a cyclic number.

It is not a de Polignac number, because 61234213 - 2²⁵ = 27679781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61234273) 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, 30617106 + 30617107.

It is an arithmetic number, because the mean of its divisors is an integer number (30617107).

Almost surely, 2^61234213 is an apocalyptic number.

It is an amenable number.

61234213 is a deficient number, since it is larger than the sum of its proper divisors (1).

61234213 is an equidigital number, since it uses as much as digits as its factorization.

61234213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 61234213 is about 7825.2292618172. The cubic root of 61234213 is about 394.1528884351.

Adding to 61234213 its reverse (31243216), we get a palindrome (92477429).

The spelling of 61234213 in words is "sixty-one million, two hundred thirty-four thousand, two hundred thirteen".