61244273 has 2 divisors, whose sum is σ = 61244274. Its totient is φ = 61244272.

The previous prime is 61244269. The next prime is 61244303. The reversal of 61244273 is 37244216.

61244273 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., 61199329 + 44944 = 7823^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 61244273 - 2² = 61244269 is a prime.

It is not a weakly prime, because it can be changed into another prime (61244233) 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, 30622136 + 30622137.

It is an arithmetic number, because the mean of its divisors is an integer number (30622137).

Almost surely, 2^61244273 is an apocalyptic number.

It is an amenable number.

61244273 is a deficient number, since it is larger than the sum of its proper divisors (1).

61244273 is an equidigital number, since it uses as much as digits as its factorization.

61244273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 61244273 is about 7825.8720280873. The cubic root of 61244273 is about 394.1744720169.

Adding to 61244273 its reverse (37244216), we get a palindrome (98488489).

The spelling of 61244273 in words is "sixty-one million, two hundred forty-four thousand, two hundred seventy-three".